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Environment
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Least access to drinking water
Biggest decrease in carbon emissions
Biggest emitters of carbon dioxide
Biggest increase in carbon emissions
Deaths due to poor sanitation
Environmental performance index: best ecosystem vitality
Environmental performance index: worst ecosystem vitality
Forests: deforestation
Forests: reforestation
Largest amount of carbon dioxide emitted per person
Least access to drinking water
Lowest access to basic handwashing facilities: % of rural population
Lowest access to basic handwashing facilities: % of urban population
Open defecation
Protected land areas as % of total land: highest
Protected land areas as % of total land: lowest
Protected marine areas as % of territorial waters
Worst air pollution
% of population
2017
Rank
1
Country
Chad
Result
38.7
Rank
2
Country
South Sudan
Result
40.7
Rank
3
Country
Ethiopia
Result
41.1
Rank
4
Country
Papua New Guinea
Result
41.3
Rank
5
Country
Congo-Kinshasa
Result
43.2
Rank
6
Country
Central African Rep.
Result
46.3
a
Rank
7
Country
Burkina Faso
Result
47.9
Rank
8
Country
Uganda
Result
49.1
Rank
9
Country
Niger
Result
50.3
Rank
10
Country
Eritrea
Result
51.8
a
Rank
11
Country
Somalia
Result
52.4
Rank
12
Country
Madagascar
Result
54.4
Rank
13
Country
Mozambique
Result
55.7
Rank
14
Country
Angola
Result
55.8
Rank
15
Country
Tanzania
Result
56.7
Rank
16
Country
Rwanda
Result
57.7
Rank
17
Country
Kenya
Result
58.9
Rank
18
Country
Zambia
Result
60.0
Rank
19
Country
Sudan
Result
60.3
Rank
20
Country
Cameroon
Result
60.4
Rank
21
Country
Sierra Leone
Result
60.8
Rank
Country
Burundi
Result
60.8
Rank
23
Country
Guinea
Result
61.9
Rank
24
Country
Yemen
Result
63.5
Rank
25
Country
Zimbabwe
Result
64.1
Rank
26
Country
Equatorial Guinea
Result
64.7
Rank
27
Country
Togo
Result
65.1
Rank
28
Country
Haiti
Result
65.5
Rank
29
Country
Benin
Result
66.4
Rank
30
Country
Guinea-Bissau
Result
66.6
Rank
31
Country
Afghanistan
Result
67.1
Rank
32
Country
Lesotho
Result
68.6
Rank
33
Country
Malawi
Result
68.8
Rank
34
Country
Eswatini
Result
69.0
Rank
35
Country
Mauritania
Result
70.7
Rank
36
Country
Nigeria
Result
71.4
Rank
37
Country
Ivory Coast
Result
72.9
Rank
Country
Liberia
Result
72.9
Rank
39
Country
Congo-Brazzaville
Result
73.2
Rank
40
Country
Gambia, The
Result
78.0
Index key & notes
Notes
From an improved source.
Source: World Bank
a
2016