As the world attempts to transition its energy systems away from fossil fuels towards low-carbon energy sources, we have a range of energy options: renewable energy technologies such as hydropower, wind, and solar, as well as nuclear power. Nuclear energy and renewable technologies typically emit very little CO₂ per unit of energy production and are also much better than fossil fuels at limiting local air pollution.

However, while some countries invest heavily in increasing their nuclear energy supply, others are shutting down their plants. Therefore, nuclear energy's role in the energy system is very specific to each country.

How much of our energy comes from nuclear power? How is its role changing over time? In this article, we look at levels and changes in nuclear energy generation worldwide and its safety record in comparison to other sources of energy.

Nuclear energy generation

Global generation of nuclear energy

Nuclear energy – alongside hydropower – is one of our oldest low-carbon energy technologies.

Nuclear power generation has existed since the 1960s but saw massive growth globally in the 1970s, 1980s, and 1990s. The interactive chart shows how global nuclear generation has changed over the past half-century.

Following fast growth during the 1970s to 1990s, global generation has slowed significantly. In fact, we see a sharp dip in nuclear output following the Fukushima tsunami in Japan in 2011 [we look at the impacts of this disaster later in this article], as countries took plants offline due to safety concerns.

But we also see that production has once again increased in recent years.

Click to open interactive version

Nuclear energy generation by country

The global trend in nuclear energy generation masks the large differences in its role at the country level.

Some countries get no energy from nuclear — or aim to eliminate it completely — while others get most of their power from it.

This interactive chart shows the amount of nuclear energy generated by country. France, the USA, China, Russia, and South Korea all produce relatively large amounts of nuclear power.

Click to open interactive version

Nuclear in the energy and electricity mix

What share of primary energy comes from nuclear?

We previously considered nuclear output in terms of energy units — how much each country produces in terawatt-hours. However, to understand how large a role nuclear plays in the energy system, we need to consider total energy consumption.

This interactive chart shows the share of primary energy that comes from nuclear sources.

Note that this data is based on primary energy calculated by the 'substitution method', which attempts to correct for the inefficiencies in fossil fuel production. It does this by converting non-fossil fuel sources to their 'input equivalents': the amount of primary energy that would be required to produce the same amount of energy if it came from fossil fuels. Here, we describe this adjustment in more detail.

In 2019, just over 4% of global primary energy came from nuclear power.

Note that this is based on nuclear energy's share in the energy mix. Energy consumption represents the sum of electricity, transport, and heating. We look at the electricity mix below.

Click to open interactive version

What share of electricity comes from nuclear?

In the section above, we examined the role of nuclear power in the total energy mix, which includes electricity, transport, and heating. Electricity is only one component of energy consumption.

Since transport and heating tend to be harder to decarbonize – they are more reliant on oil and gas – nuclear and renewables tend to have a higher share in the electricity mix versus the total energy mix.

This interactive chart shows the share of electricity that comes from nuclear sources.

Globally, around 10% of our electricity comes from nuclear power. However, some countries, such as Belgium, France, and Ukraine, rely heavily on it.

Click to open interactive version

Safety of nuclear energy

Energy has been critical to the human progress we’ve seen over the last few centuries. As the United Nations rightly says, “Energy is central to nearly every major challenge and opportunity the world faces today.”

But while energy brings us massive benefits, it’s not without its downsides. Energy production can negatively impact human health and the environment in three ways.

The first is air pollution: millions of people die prematurely every year as a result of air pollution. Fossil fuels and the burning of biomass – wood, dung, and charcoal – are responsible for most of those deaths.

The second is accidents. This includes accidents that happen in the mining and extraction of fuels — coal, uranium, rare metals, oil, and gas — as well as accidents that occur in transporting raw materials and infrastructure, constructing power plants, or maintaining them.

The third is greenhouse gas emissions: fossil fuels are the main source of greenhouse gases, the primary driver of climate change. In 2020, 91% of global CO₂ emissions came from fossil fuels and industry.¹

No energy source is completely safe. All have short-term impacts on human health, either through air pollution or accidents, and they all have long-term impacts by contributing to climate change.

But, their contribution to each differs enormously. Fossil fuels are both the dirtiest and most dangerous in the short term and emit the most greenhouse gases per unit of energy. Thankfully, this means there are no trade-offs here: low-carbon energy sources are also the safest. From the perspective of both human health and climate change, it matters less whether we transition to nuclear power or renewable energy and more that we stop relying on fossil fuels.

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Nuclear and renewables are far, far safer than fossil fuels

Before we consider the long-term impacts of climate change, let’s look at how each source stacks up in terms of short-term health risks.

To make these comparisons fair, we can’t just look at the total deaths from each source: fossil fuels still dominate our global electricity mix, so we would expect that they would kill more people.

Instead, we compare them based on the estimated number of deaths they cause per unit of electricity. This is measured in terawatt-hours. One terawatt-hour is about the same as the annual electricity consumption of 150,000 citizens in the European Union.²

This includes deaths from air pollution and accidents in the supply chain.³

Let’s look at this comparison in the chart. Fossil fuels and biomass kill many more people than nuclear and modern renewables per unit of electricity. Coal is, by far, the dirtiest.

Click to open interactive version

Even then, these estimates for fossil fuels are likely to be very conservative. They are based on power plants in Europe, which have good pollution controls, and older models of the health impacts of air pollution. As I discuss in more detail at the end of this article, global death rates from fossil fuels based on the most recent research on air pollution are likely to be even higher.

Our perceptions of the safety of nuclear energy are strongly influenced by two accidents: Chernobyl in Ukraine in 1986 and Fukushima in Japan in 2011. These were tragic events. However, compared to the millions that die from fossil fuels every year, the final death tolls were very low. To calculate the death rates used here, I assume a death toll of 433 from Chernobyl and 2,314 from Fukushima.⁴ If you are interested in this, I look at how many died in each accident in detail in a related article.

The other source heavily influenced by a few large-scale accidents is hydropower. Its death rate since 1965 is 1.3 deaths per TWh. This rate is almost completely dominated by one event: the Banqiao Dam Failure in China in 1975, which killed approximately 171,000 people. Otherwise, hydropower was very safe, with a death rate of just 0.04 deaths per TWh — comparable to nuclear, solar, and wind.

Finally, we have solar and wind. The death rates from both of these sources are low but not zero. A small number of people die in accidents in supply chains – ranging from helicopter collisions with turbines, fires during the installation of turbines or panels, and drownings on offshore wind sites.

People often focus on the marginal differences at the bottom of the chart – between nuclear, solar, and wind. This comparison is misguided: the uncertainties around these values mean they are likely to overlap.

The key insight is that they are all much safer than fossil fuels.

Nuclear energy, for example, results in 99.9% fewer deaths than brown coal, 99.8% fewer than coal, 99.7% fewer than oil, and 97.6% fewer than gas. Wind and solar are just as safe.

Putting death rates from energy in perspective

Looking at deaths per terawatt-hour can seem abstract. Let’s try to put it in perspective.

Let’s consider how many deaths each source would cause for an average town of 150,000 people in the European Union, which – as I’ve said before – consumes one terawatt-hour of electricity per year. Let’s call this town ‘Euroville’.

If Euroville were completely powered by coal, we’d expect at least 25 people to die prematurely every year from it.  Most of these people would die from air pollution.

This is how a coal-powered Euroville would compare with towns powered entirely by each energy source:

• Coal: 25 people would die prematurely every year;
• Oil: 18 people would die prematurely every year;
• Gas: 3 people would die prematurely every year;
• Hydropower: In an average year, 1 person would die;
• Wind: In an average year, nobody would die. A death rate of 0.04 deaths per terawatt-hour means every 25 years, a single person would die;
• Nuclear: In an average year, nobody would die – only every 33 years would someone die.
• Solar: In an average year, nobody would die – only every 50 years would someone die.

The safest energy sources are also the cleanest

The good news is that there is no trade-off between the safest sources of energy in the short term and the least damaging for the climate in the long term. As the chart below shows, they are one and the same.

In the chart on the left-hand side, we have the same comparison of death rates from accidents and air pollution that we just looked at. On the right, we have the amount of greenhouse gases emitted per unit of electricity production.

These are not just the emissions from the burning of fuels but also the mining, transportation, and maintenance over a power plant’s lifetime.⁵

Coal, again, is the dirtiest fuel. It emits much more greenhouse gases than other sources – more than a hundred times more than nuclear.

Oil and gas are also much worse than nuclear and renewables but to a lesser extent than coal.

Unfortunately, the global electricity mix is still dominated by fossil fuels: coal, oil, and gas account for around 60%. If we want to stop climate change, we have a great opportunity: we can transition away from them to nuclear and renewables and reduce deaths from accidents and air pollution as a side effect.⁶

This transition will not only protect future generations but also have huge health benefits for the current one.

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Methodology and notes

Global average death rates from fossil fuels are likely to be even higher than reported in the chart above

The death rates from coal, oil, and gas that we use in these comparisons are sourced from the paper of Anil Markandya and Paul Wilkinson (2007) in the medical journal The Lancet. To date, these are the best, peer-reviewed references I could find on these sources. These rates are based on electricity production in Europe.

However, there are three key reasons why I think that these death rates are likely to be very conservative, and the global average death rates could be substantially higher.

• European fossil fuel plants have strict pollution controls. Power plants in Europe tend to produce less pollution than the global average and much less than plants in many low-to-middle-income countries. This means that the pollution generated per unit of electricity will likely be higher in other parts of the world.
• In other countries, more people will live closer to power plants and, therefore, be exposed to more pollution. If two countries produce the same amount of coal power and both have the same pollution controls, the country where power plants are closer to urban centers and cities will have a higher death toll per TWh. This is because more people will be exposed to higher levels of pollution. Power plants in countries such as China tend to be closer to cities in many countries than in Europe, so we would expect the death rate to be higher than the European figures found by Markandya and Wilkinson (2007).⁷
• More recent research on air pollution suggests the health impacts are more severe than earlier research suggested. The analysis by Markandya and Wilkinson was published in 2007. Since then, our understanding of the health impacts of air pollution has increased significantly. More recent research suggests the health impacts are more severe. My colleague, Max Roser, shows this evolution of the research on air pollution deaths in his review of the literature here. Another reason to suspect that the global average rates are much higher is the following: if we take the death rates from Markandya and Wilkinson (2007) and multiply them by global electricity production, the resulting estimates of total global deaths from fossil fuel electricity are much lower than the most recent research. If I multiply the Markandya and Wilkinson (2007) death rates for coal, oil, and gas by their respective global electricity outputs in 2021, I get a total death toll of 280,000 people.⁸ This is much lower than the estimates from more recent research. For example, Leliveld et al. (2018) estimate that 3.6 million die from fossil fuels yearly.⁹ Vohra et al. (2021) even estimate more than double this figure: 8.7 million.¹⁰Not all of these deaths from fossil fuel air pollution are due to electricity production. But we can estimate how many deaths do. In a recent paper, Leliveld and his colleagues estimated the breakdown of air pollution deaths by sector. They estimate that 12% of all air pollution deaths (from fossil fuel and other sources) come from electricity production.¹¹

By my calculations, we would expect that 1.1 million to 2.55 million people die from fossil fuels used for electricity production each year.¹² The estimates we get from Markandya and Wilkinson (2007) death rates undercount by a factor of 4 to 9. This would suggest that actual death rates from fossil fuels could be 4 to 9 times higher. That would give a global average death rate from coal of 93 to 224 deaths per TWh. Unfortunately, we do not have more up-to-date death rates for coal, oil, and gas to reference here, but improved estimates are sorely needed. The current death rates shown are likely to be underestimated.

We need a timely global database on accidents in energy supply chains

The figures we reference on nuclear, solar, and wind accidents are based on the most comprehensive figures we have to date. However, they are imperfect; no timely dataset tracking these accidents exists. This is a key gap in our understanding of the safety of energy sources – and how their safety changes over time.

To estimate death rates from renewable energy technologies, Sovacool et al. (2016) compiled a database of energy-related accidents across academic databases and news reports. They define an accident as “an unintentional incident or event at an energy facility that led to either one death (or more) or at least $50,000 in property damage,” consistent with definitions in the research literature.

This raises several questions about which incidents should and shouldn’t be attributed to a given energy technology. For example, this database included deaths related to an incident in which water from a water tank ruptured during a construction test at a solar factory. It’s not clear whether these supply chain deaths should or shouldn’t be attributed to solar technologies.

Therefore, the comparability of these incidents across the different energy technologies is difficult to assess with high certainty. Another issue with this analysis by Sovacool et al. (2016) is that its database search was limited to English or non-English reports that had been translated. Therefore, some of these comparisons could be slightly over- or underestimated. It is, however, unlikely that the position of these technologies would change significantly – renewable and nuclear technologies would consistently come out with a much lower death rate than fossil fuels. Consistent data collection and tracking of incidents across all energy technologies would greatly improve these comparisons.

We need improved estimates of the health impacts of the mining of minerals and materials for all energy sources

The figures presented in this research that I rely on do not include any health impacts from radiation exposure from mining metals and minerals used in supply chains.

While we might think that this would only impact nuclear energy, analyses suggest that the carcinogenic toxicity of other sources – including solar, wind, hydropower, coal, and gas are all significantly higher across their supply chains.¹³

These figures only measure workers' potential exposure to toxic elements. They do not estimate potential death rates, so we do not include them in our referenced figures above.

However, including these figures would not change the relative results overall. Fossil fuels – coal, in particular – have a higher carcinogenic toxicity than both nuclear and renewables. Hence, the relative difference between them would actually increase rather than decrease. The key insight would still be the same: fossil fuels are much worse for human health, and both nuclear and modern renewables are similarly safe alternatives.

However, estimates of the health burden of rare minerals in energy supply chains are still an important gap to fill so that we can learn about their impact and ultimately reduce these risks moving forward.

What was the death toll from Chernobyl and Fukushima?

Nuclear energy is an important source of low-carbon energy. But, there is strong public opposition to it, often because of concerns around safety.

These concerns are often sparked by memories of two nuclear accidents: the Chernobyl disaster in Ukraine in 1986 and Fukushima in Japan in 2011.¹⁴

These two events were by far the largest nuclear accidents in history, the only disasters to receive a level 7 (the maximum classification) on the International Nuclear Event Scale.

How many people died in these nuclear disasters, and what can we learn from them?

How many died from the nuclear accident in Chernobyl?

In April 1986, the core of one of the four reactors at the Chernobyl nuclear plant in Ukraine melted down and exploded. It was the worst nuclear disaster in human history.

There are several categories of deaths linked to the disaster – for some, we have a good idea of how many died; for others, we have a range of plausible deaths.

Direct deaths from the accident

30 people died during or very soon after the incident.

Two plant workers died almost immediately in the explosion from the reactor. Overall, 134 emergency workers, plant operators, and firemen were exposed to levels of radiation high enough to suffer from acute radiation syndrome (ARS). 28 of these 134 workers died in the weeks that followed, which takes the total to 30.¹⁵

Later deaths of workers and firemen

A point of dispute is whether any more of the 134 workers with ARS died as a result of radiation exposure. In 2008, several decades after the incident, the United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) published a large synthesis of the latest scientific evidence.¹⁵ It reported that a further 19 ARS survivors had died by 2006. However, many of these deaths were not related to any condition caused by radiation exposure. Seven were related to diseases not related to cancers, including tuberculosis, liver disease, and stroke; six were from heart attacks, one from a trauma incident, and five died from cancers.¹⁶ It’s difficult to say how many of these deaths could be attributed to the Chernobyl accident – it’s not implausible it played a role in at least some of them, especially the five cancer deaths.

Thyroid cancer deaths in children through contaminated milk

Most of the population was not exposed to levels of radiation that would put them at risk of negative health impacts. However, the slow response to the disaster meant that some individuals were exposed to the short-lived radionuclide Iodine-131 (¹³¹I) through milk contamination. Radioactive fallout settled on pasture grass across the region; this contaminated milk supplies and leafy vegetables that were consumed in the days immediately after the incident.

This exposure to ¹³¹I has not been linked to increased cancer risk in the adult population, but several studies have shown an increased incidence of thyroid cancer in those who were children and adolescents around this time. Figuring out how many cases of thyroid cancer in this young population were caused by the accident is not straightforward. This is because there was a large increase in screening efforts in the aftermath of the disaster. It’s not uncommon for thyroid cancer cases to go undetected – and have no negative impact on an individual’s life. Increased screening, particularly in child populations, would result in finding many cases of cancer that would normally go undetected.

In 2018, UNSCEAR published its latest findings on thyroid cancers attributed to the Chernobyl disaster. Over the period from 1991 to 2015, there were 19,233 cases of thyroid cancer in patients who were younger than 18 at the time of the disaster across Ukraine, Belarus, and exposed regions of Russia. UNSCEAR concluded that around one-quarter of these cases could be linked to radiation exposure. That would mean 4,808 thyroid cancer cases.¹⁷

By 2005, it was reported that 15 of these thyroid cancer cases had been fatal.¹⁸ However, it was likely that this figure would increase: at least some of those still living with thyroid cancer will eventually die from it.

Therefore, giving a definitive number is impossible, but we can look at survival rates and outcomes to get an estimate. Thankfully, the prognosis for thyroid cancer in children is very good. Many patients that have undergone treatment have seen either partial or complete remission.¹⁹ Large-scale studies report a 20-year survival rate of 92% for thyroid cancer.²⁰ Others show an even better prognosis, with a survival rate of 98% after 40 years.²¹

If we combine standard survival rates with our number of radiation-induced cancer cases – 4,808 cases – we might estimate that the number of deaths could be in the range of 96 to 385. This comes from the assumption of a survival rate of 92% to 98% (or, to flip it, a mortality rate of 2% to 8%).²² This figure comes with significant uncertainty.

Deaths in the general population

Finally, there has been significant concern about cancer risks to the wider population across Ukraine, Belarus, Russia, and other parts of Europe. This topic remains controversial. Some reports in the early 2000s estimated much higher death tolls, ranging from 16,000 to 60,000.²³ In its 2005 report, the WHO estimated a potential death toll of 4,000.²⁴ These estimates were based on the assumption that many people were exposed to elevated levels of radioactivity and that radioactivity increases cancer risk, even at very low levels of exposure (the so-called ‘linear no-threshold model’ of radiation exposure).

More recent studies suggest that these estimates were too high. In 2008, the UNSCEAR concluded that radioactive exposure to the general public was very low and that it does not expect adverse health impacts in the countries affected by Chernobyl or the rest of Europe.²⁵ In 2018, it published a follow-up report, which came to the same conclusion.

If the health impacts of radiation were directly and linearly related to the level of exposure, we would expect to find that cancer rates were highest in regions closest to the Chernobyl site and would decline with distance from the plant. However, studies do not find this. Cancer rates in Ukraine, for example, were not higher in locations closer to the site²⁶ This suggests that there is a lower limit to the level at which radiation exposure has negative health impacts. And that most people were not exposed to doses higher than this.

Combined death toll from Chernobyl

To summarize the previous paragraphs:

• 2 workers died in the blast.
• 28 workers and firemen died in the weeks that followed from acute radiation syndrome (ARS).
• 19 ARS survivors had died later by 2006; most were from causes not related to radiation, but it’s not possible to rule all of them out (especially five that were cancer-related).
• 15 people died from thyroid cancer due to milk contamination. These deaths were among children who were exposed to ¹³¹I from milk and food in the days after the disaster. This could increase to between 96 and 384 deaths; however, this figure is highly uncertain.
• There is currently no evidence of adverse health impacts on the general population in affected countries or wider Europe.

Combined, the confirmed death toll from Chernobyl is less than 100. We still do not know the true death toll of the disaster. My best approximation is that the true death toll is in the range of 300 to 500, based on the available evidence.²⁷

How many died from the nuclear accident in Fukushima?

In March 2011, an accident occurred at the Fukushima Daiichi Nuclear Power Plant in Ōkuma, Fukushima, Japan. This accident was caused by the 2011 Tōhoku earthquake and tsunami – the most powerful earthquake recorded in Japan’s history.

Despite being such a large event, only one death has been attributed to the disaster. This includes both the direct impact of the accident itself and the radiation exposure that followed. However, it’s estimated that several thousand died indirectly from the stress and disruption of evacuation.

Direct and cancer deaths from the accident

No one died directly from the disaster. However, 40 to 50 people were injured as a result of physical injury from the blast or radiation burns.

In 2018, the Japanese government reported that one worker has since died from lung cancer as a result of radiation exposure from the event.

Over the last decade, many studies have assessed whether there has been any increased cancer risk for local populations. There appears to be no increased cancer risk or other radiation-related health impacts.

In 2016, the World Health Organization noted that there was a very low risk of increased cancer deaths in Japan.²⁸ Several reports from the UN Scientific Committee on the Effects of Atomic Radiation came to the same conclusion: they report that any increase in radiation exposure for local populations was very low, and they do not expect any increase in radiation-related health impacts.²⁹

Deaths from evacuation

A more difficult question is how many people died indirectly through the response and evacuation of locals from the area around Fukushima. Within a few weeks of the accident, more than 160,000 people had moved away, either from official evacuation efforts or voluntarily from fear of further radioactive releases. Many were forced to stay in overcrowded gyms, schools, and public facilities for several months until more permanent emergency housing became available.

The year after the 2011 disaster, the Japanese government estimated that 573 people had died indirectly as a result of the physical and mental stress of evacuation.³⁰ Since then, more rigorous assessments of increased mortality have been done, and this figure was revised to 2,313 deaths in September 2020.

These indirect deaths were attributed to the overall physical and mental stress of evacuation, being moved out of care settings, and disruption to healthcare facilities.

It’s important to remember that the region was also trying to deal with the aftermath of an earthquake and tsunami. This makes it difficult to completely separate the indirect deaths related to the nuclear disaster disruptions from those of the tsunami itself.

Combined, the confirmed death toll from Fukushima is therefore 2,314.

What can we learn from these nuclear disasters?

The context and response to these disasters were very different, and this is reflected in what killed people in the aftermath.

Many more people directly died from Chernobyl than from Fukushima. There are several reasons for this.

The first was reactor design. The nuclear reactors at Chernobyl were poorly designed to deal with this meltdown scenario. Its fatal RBMK reactor had no containment structure, allowing radioactive material to spill into the atmosphere. Fukushima’s reactors did have steel-and-concrete containment structures, although it’s likely that at least one of these was also breached.

Crucially, the cooling systems of both plants worked very differently; at Chernobyl, the loss of cooling water as steam actually served to accelerate reactivity levels in the reactor core, creating a positive feedback loop toward the fatal explosion. The opposite is true of Fukushima, where the reactivity reduced as temperatures rose, effectively operating as a self-shutdown measure.

The second factor was the government's response. In the case of Fukushima, the Japanese government responded quickly to the crisis, with evacuation efforts extending rapidly from a 3-kilometer (km) to a 10-km to a 20-km radius while the incident at the site continued to unfold. In contrast, the response in the former Soviet Union was one of denial and secrecy.

It’s reported that in the days that followed the Chernobyl disaster, residents in surrounding areas were uninformed of the radioactive material in the air around them. In fact, it took at least three days for the Soviet Union to admit an accident had taken place, and did so after radioactive sensors at a Swedish plant were triggered by dispersing radionuclides. As we saw above, it’s estimated that approximately 4,808 thyroid cancer cases in children and adolescents could be linked to radiation exposure from contaminated milk and foods. This could have been prevented by an earlier response.

Finally, while an early response from the Japanese government may have prevented a significant number of deaths, many have questioned whether the scale of the evacuation effort – where more than 160,000 people were displaced – was necessary.³¹ As we see from the figures above, evacuation stress and disruption are estimated to have contributed to several thousand early deaths. Only one death has been linked to the impact of radiation. We don’t know what the possible death toll would have been without any evacuation. That’s why a no-evacuation strategy if a future accident was to occur, seems unlikely. However, many have called for governments to develop early assessments and protocols of radiation risks, the scale of evacuation needed, and infrastructure to ensure that the disruption to displaced people is kept to a minimum.³²

Nuclear is one of the safest energy sources

No energy source comes with zero negative impact. We often consider nuclear energy more dangerous than other sources because these low-frequency but highly visible events come to mind.

However, when we compare the death rates from nuclear energy to other sources, we see that it’s one of the safest. The numbers that have died from nuclear accidents are very small in comparison to the millions that die from air pollution from fossil fuels every year. As the linked post shows, the death rate from nuclear power is roughly comparable to that of most renewable energy technologies.

Since nuclear is also a key source of low-carbon energy, it can play a key role in a sustainable energy mix alongside renewables.

Hannah Ritchie and Pablo Rosado (2020) - “Nuclear Energy” Published online at OurWorldinData.org. Retrieved from: 'https://ourworldindata.org/nuclear-energy' [Online Resource]

@article{owid-nuclear-energy,
    author = {Hannah Ritchie and Pablo Rosado},
    title = {Nuclear Energy},
    journal = {Our World in Data},
    year = {2020},
    note = {https://ourworldindata.org/nuclear-energy}
}

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