Those with access to electricity take many of its benefits for granted: food refrigeration reduces waste, the radio can keep us company during the day, and light at night makes it possible to get together after sunset.

25 years ago, according to data published by the World Bank, only 5% of people in Kenya had access to basic electricity and its benefits.

Since then, the country has made substantial progress, as the chart shows: by 2020, 71% of Kenyans had access to a basic electricity supply.

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The chart shows age-standardized death rates from cancer in different countries since 1950.

Age-standardized rates tell us about the impact of cancer among people of the same age. This allows for a fair comparison across time and between countries — for example, to see how rates for fifty-year-olds today compare to fifty-year-olds in the 1950s.

In the United States, for example, the age-standardized death rate from cancer has declined by around a third since its peak in 1990.

A significant driver has been the large decline in smoking, which causes a wide range of cancers. But we’ve also achieved many more advances in cancer medicine and public health, such as chemotherapy, immunotherapy, surgery, vaccination against HPV and hepatitis, treatment for H. pylori, and advances in screening, diagnosis, and monitoring.

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As this data from the International Labour Organization shows, the share of service jobs in all global employment has increased in the last 3 decades, from 34% in 1991 to 51% in 2019.

In this slow but steady change in the world's economy, the share of employment in agriculture has seen an equivalent decrease, from 44% to 27%.

The share of employment in the industry sector has remained stable throughout this period, at 22%.

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February this year marked the ninth consecutive month of record-breaking global temperatures.

We see this from monthly temperature anomalies. Anomalies compare current temperatures to historical averages, showing us shifts over time.

In the chart, each line represents the temperature anomaly in a given year. As you can see, the line for 2023 was markedly above every other year on the chart from June onward. And the first two months of 2024, visible in the top left corner, have also set new records.

In February, the global surface air temperature was 0.81°C above the 1991–2020 average for the same month.

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The first time a nuclear bomb was ever detonated was in the Trinity test, conducted by the United States in July 1945. Less than a month later, nuclear bombs were used against the Japanese cities of Hiroshima and Nagasaki.

Nuclear weapons have not been used in combat again. But more than 2,000 nuclear tests have been conducted by eight countries.

Between 1958 and 1961, the United States and the Soviet Union temporarily suspended nuclear tests. But, as we can see on the chart, their number peaked immediately afterward. In 1962, a total of 178 nuclear bombs were detonated — roughly one test every two days.

Thankfully, the number of nuclear tests has decreased rapidly since the mid-1980s. In the last two decades, only 6 tests have been conducted, all by North Korea. The last test took place in 2017.

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Richer countries tend to use less of their crops for human food, and more for animal feed and biofuels. This is what the chart shows: in several countries, less than a quarter of cereals are used for direct consumption as human food.

In poorer countries, supplies are tighter and they can’t afford the inefficiency. Most crop production goes directly to human consumption.

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Two hundred years ago, large parts of the world were ruled by a few European colonial powers, as the chart shows.

Since then, people in many countries have fought against colonial rule.

A first wave of countries gained independence in the 19th century, particularly in the Americas.

However, most countries did not gain independence until the middle of the 20th century.

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Over the last twenty years, plastic waste recycling has considerably increased worldwide, as the chart shows.

OECD countries in the European Union, India, and China have spearheaded this growth. By 2019, recycling rates were 12–13%. Non-OECD Asian countries and Latin America have also made headway, but more slowly.

The United States and the Middle East & North Africa region have seen more sluggish advances, with the US only managing to reach a 4.5% recycling rate by 2019, according to the OECD data.

Different regional strategies and capacities have led to markedly different outcomes in plastic waste management.

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The “modal age at death” is the most common age at which people in a population die. The modal age at death for women in Japan in 2021 was 93. In France, it was 92.

This metric helps us understand trends in longevity at older ages. Unlike life expectancy, it is not affected by infant or child mortality.

You can see that over time, the figure has been rising steadily. In France in 1970, the modal age at death was 84 years for women, but now it is 8 years higher.

Large gains in longevity have occurred even among the elderly.

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The peak flowering of cherry trees in Kyoto, Japan, has been recorded since the ninth century. Yasuyuki Aono and colleagues from the Osaka Prefecture University collated this data from historical diaries and chronicles, indicating the dates on which cherry blossom viewing parties had been held or other observations of peak blossom.

In 2023, the peak cherry blossom happened on 25 March — the earliest date since recording began.

This long-run data is a proxy measure for how the climate has changed. The onset of the cherry blossom is linked with warmer temperatures. The combined effects of urbanization and higher temperatures due to climate change have caused the peak blossom to gradually move earlier in the year since the early 20th century.

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Two centuries ago, about one in three children in Sweden died before they were five years old, as you can see on the chart.

Since then, the child mortality rate in Sweden has declined to 0.2%.

South Korea achieved a similar reduction much faster. This is often the case: those countries that first achieve an improvement in living conditions often need much longer than some of those countries catching up later — countries that catch up can learn from what worked elsewhere.

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2,664 objects were launched into space in 2023. This figure breaks the record set the previous year.

The chart shows that US agencies and companies were responsible for launching 2,166 of these objects; that’s 81% of the global total.

Within American launches, 1,935 objects — 73% of the global total — belonged to Starlink, the constellation of satellites operated by the aerospace company SpaceX.

The rapid growth of the global satellite constellation has the power to help expand Internet connectivity, but also contributes to increasing concerns regarding space debris and the congestion of Earth’s orbital environment.

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In 2000, less than 10% of the population in Indonesia had access to clean cooking fuels. This is now over 80%, as the chart shows.

Clean cooking fuels are those that, when burned, emit less than the World Health Organization's recommended amounts of air pollutants. They reduce the burden of air pollution — and its health impacts — for the households that use them.

In 2007, the Indonesian government launched a national program to move from kerosene cooking fuels to liquefied petroleum gas.

This shift has greatly reduced particulate pollution and improved health outcomes. Death rates from indoor air pollution have fallen steeply.

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In 1981, 97% of people in the Chinese countryside lived in extreme poverty. Even in cities, it was more than 70%.

Since then, large economic growth has made it possible for hundreds of millions of people in China to leave extreme poverty behind, first in cities and then in the countryside.

By 2020, the share of people living in extreme poverty in both urban and rural areas was below 1%.

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Solar and wind have surpassed coal as a source of electricity generation in a number of countries, as the chart shows. This marks a substantial shift towards more sustainable sources of energy.

Even in the United States, the world’s third-largest producer of coal electricity, the gap between solar and wind power, and coal is now very small. The adoption of clean energy is accelerating.

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People in richer countries tend to live much longer than those in poorer countries.

We can see this in the cross-country life expectancy statistics shown on the chart. In Japan, life expectancy at birth is about 85 years, while in Chad and Nigeria, life expectancy is about 52 years — a gap of over three decades.

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Pacemakers are crucial medical devices for people with heart disorders and irregular heartbeats. They provide a steady heart rhythm and help the heart pump blood effectively to the rest of the body.

The chart shows that there are large differences in the rates of pacemaker implantations across countries.

In France and Sweden, over 1,000 per million people each year receive pacemaker implantations. In Egypt and Turkey, that figure is less than 150.

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