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Living Planet Index by region

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Living Planet Index by region
The Living Planet Index (LPI) is a measure of the state of global biological diversity based on population trends of vertebrate species from around the world. The index value is measured relative to species' populations in 1970 (i.e. 1970 = 1).
Source
World Wildlife Fund and Zoological Society of London (2024) – processed by Our World in Data
Last updated
September 30, 2024
Next expected update
September 2026
Date range
1970–2020
Unit
(1970 = 1)

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Sources and processing

This data is based on the following sources

The Living Planet Index (LPI) is a measure of the state of global biological diversity based on population trends of vertebrate species from around the world. The index represents 34,836 populations of 5,495 species. All indices are weighted by species richness, giving species-rich taxonomic groups in terrestrial, marine and freshwater systems more weight than groups with fewer species. Using a method developed by ZSL and WWF, these species population trends are aggregated to produce indices of the state of biodiversity.

The index value is measured relative to species' populations in 1970 (i.e. 1970 = 1).

To calculate an LPI, a generalised additive modelling framework is used to determine the underlying trend in each population time-series. Average rates of change are then calculated and aggregated to the species level. For the global LPI, the method of aggregation has recently been revised to include a weighting system which gives trends from more species-rich systems, realms and groups more weight in the final index.

Retrieved on
September 30, 2024
Retrieved from
http://stats.livingplanetindex.org/
Citation
This is the citation of the original data obtained from the source, prior to any processing or adaptation by Our World in Data. To cite data downloaded from this page, please use the suggested citation given in Reuse This Work below.
WWF (2024) Living Planet Report 2024 – A System in Peril. WWF, Gland, Switzerland.

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Citations

How to cite this page

To cite this page overall, including any descriptions, FAQs or explanations of the data authored by Our World in Data, please use the following citation:

“Data Page: Living Planet Index by region”, part of the following publication: Hannah Ritchie, Fiona Spooner and Max Roser (2022) - “Biodiversity”. Data adapted from World Wildlife Fund and Zoological Society of London. Retrieved from https://ourworldindata.org/grapher/living-planet-index-by-region [online resource]
How to cite this data

In-line citationIf you have limited space (e.g. in data visualizations), you can use this abbreviated in-line citation:

World Wildlife Fund and Zoological Society of London (2024) – processed by Our World in Data

Full citation

World Wildlife Fund and Zoological Society of London (2024) – processed by Our World in Data. “Living Planet Index by region” [dataset]. World Wildlife Fund and Zoological Society of London, “Living Planet Index” [original data]. Retrieved October 18, 2024 from https://ourworldindata.org/grapher/living-planet-index-by-region