Global wildlife population plummets by half

The world population of fish, birds, mammals, amphibians and reptiles has fallen overall by 52 percent in 40 years, far faster than previously thought, says the World Wildlife Fund, in its latest Living Planet Report 


DECLINE IN POPULATION BY REALM TYPE
Global Living Planet Index
Confidence limits*

Index Value (1970 = 1)
1970
1980
1990
2000
2010
1.2
1
0.8
0.6
0.4
0.2
0

Living Planet Index: Calculated using trends in 10,380 populations of over 3,038  vertebrate species, over 40 years. This is WWF’s tenth edition of report

Terrestrial: Down 39%
Marine: Down 39%
Freshwater: Down 76%

Total average decline: 52%

*margin of error in monitoring species
© GRAPHIC NEWS
Source: World Wildlife Fund