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Reservoir maximum water area (% of total land area) by country

Countries reporting
128
Highest
11.8%
Uganda
Lowest
0.0%
Libya
Median
0.1%
Years covered
23
2000–2022
Data points
5,679

What the numbers show

Reservoir maximum water area (% of total land area) is currently reported for 128 countries. The highest value is 11.8% in Uganda; the lowest is 0.0% in Libya.

The median across all reporting countries is 0.1%, and the mean is 0.3%.

The gap between the highest and lowest reporting country is a factor of about 56,170.

Over the past decade 99 countries rose and 25 fell. The largest increase was in Rwanda (up 832.4%), and the largest decrease in Lesotho (down 12.5%).

Reservoir maximum water area: full country ranking

#Country LatestYear 10-year changeTrend
1 Uganda 11.8% 2022 up 0.2% rising
2 Ghana 3.0% 2022 up 4.8% rising
3 Finland 2.2% 2022 up 2.8% rising
4 Sweden 1.7% 2022 up 1.2% rising
5 Uruguay 0.9% 2022 down 1.9% flat
6 Singapore 0.9% 2022 up 1.8% rising
7 Zimbabwe 0.9% 2022 down 0.5% flat
8 Iraq 0.8% 2022 up 4.1% falling
9 Azerbaijan 0.7% 2022 down 7.2% rising
10 El Salvador 0.7% 2022 up 0.4% flat
11 Kenya 0.7% 2022 up 0.6% rising
12 Ukraine 0.7% 2022 up 0.5% rising
13 Thailand 0.6% 2022 down 6.9% rising
14 Paraguay 0.5% 2022 up 2.3% rising
15 Russian Federation 0.5% 2022 up 1.6% rising
16 Egypt 0.5% 2022 up 8.3% rising
17 Portugal 0.5% 2022 up 4.1% rising
18 Republic of Korea 0.5% 2022 up 4.0% rising
19 Malaysia 0.5% 2022 up 110.2% rising
20 India 0.4% 2022 up 8.9% rising
21 New Zealand 0.4% 2022 up 0.0% rising
22 Panama 0.4% 2022 up 3.9% rising
23 Tajikistan 0.4% 2022 up 0.7% rising
24 Sri Lanka 0.4% 2022 down 5.2% rising
25 Cameroon 0.4% 2022 up 27.0% rising
26 Zambia 0.4% 2022 down 2.7% flat
27 Spain 0.4% 2022 up 0.3% rising
28 Albania 0.4% 2022 up 17.0% rising
29 Mozambique 0.4% 2022 up 0.8% rising
30 Brazil 0.3% 2022 down 4.3% rising
31 Slovakia 0.3% 2022 up 0.3% rising
32 Japan 0.3% 2022 up 3.5% flat
33 Bangladesh 0.3% 2022 up 7.6% rising
34 Nigeria 0.3% 2022 up 7.0% rising
35 Norway 0.3% 2022 up 7.4% rising
36 Eswatini 0.3% 2022 up 0.9% rising
37 Burkina Faso 0.3% 2022 up 22.8% rising
38 Switzerland 0.3% 2022 up 1.7% rising
39 Bulgaria 0.3% 2022 down 1.6% rising
40 Togo 0.3% 2022 up 2.1% rising
41 Kazakhstan 0.2% 2022 up 0.6% flat
42 Iceland 0.2% 2022 up 21.3% rising
43 Greece 0.2% 2022 up 7.7% rising
44 Mexico 0.2% 2022 down 5.3% rising
45 Czechia 0.2% 2022 up 1.5% rising
46 Bosnia and Herzegovina 0.2% 2022 up 0.9% rising
47 North Macedonia 0.2% 2022 up 0.8% rising
48 Romania 0.2% 2022 up 0.8% rising
49 Ireland 0.2% 2022 up 54.0% rising
50 China 0.2% 2022 up 13.2% rising
51 Serbia 0.2% 2022 up 2.1% rising
52 Costa Rica 0.2% 2022 up 11.0% rising
53 Sudan 0.2% 2022 up 32.5% rising
54 South Africa 0.2% 2022 down 5.5% flat
55 Kyrgyzstan 0.2% 2022 up 0.9% flat
56 Montenegro 0.2% 2022 up 2.1% rising
57 Dominican Republic 0.2% 2022 up 2.4% rising
58 Cambodia 0.2% 2022 up 637.6% volatile
59 Myanmar 0.2% 2022 up 17.9% rising
60 United Kingdom of Great Britain and Northern Ireland 0.2% 2022 up 47.9% rising
61 Honduras 0.1% 2022 up 0.7% flat
62 Lesotho 0.1% 2022 down 12.5% rising
63 Italy 0.1% 2022 down 0.0% rising
64 Tunisia 0.1% 2022 down 7.9% rising
65 Argentina 0.1% 2022 down 3.1% rising
66 Latvia 0.1% 2022 up 1.9% rising
67 Puerto Rico 0.1% 2022 up 6.8% rising
68 Pakistan 0.1% 2022 up 1.4% rising
69 Morocco 0.1% 2022 down 7.6% rising
70 Poland 0.1% 2022 up 1.2% rising
71 Armenia 0.1% 2022 down 0.1% rising
72 Ethiopia 0.1% 2022 up 47.2% rising
73 Hungary 0.1% 2022 down 1.8% rising
74 Cuba 0.1% 2022 up 24.5% rising
75 Lithuania 0.1% 2022 up 0.8% rising
76 Mali 0.1% 2022 up 1.6% rising
77 Austria 0.1% 2022 up 1.9% rising
78 Georgia 0.1% 2022 down 5.8% rising
79 Uzbekistan 0.1% 2022 up 0.6% rising
80 France 0.1% 2022 up 4.4% rising
81 Luxembourg 0.1% 2022 up 6.5% rising
82 Australia and New Zealand 0.1% 2022 down 0.4% rising
83 Lebanon 0.1% 2022 up 1.1% rising
84 Croatia 0.1% 2022 up 1.7% rising
85 Cyprus 0.1% 2022 up 38.0% rising
86 Turkmenistan 0.1% 2022 down 5.7% rising
87 Germany 0.1% 2022 up 3.9% rising
88 Australia 0.1% 2022 down 0.6% flat
89 Guinea 0.0% 2022 up 4.8% rising
90 Angola 0.0% 2022 up 45.3% rising
91 Peru 0.0% 2022 down 1.4% flat
92 Colombia 0.0% 2022 up 36.5% rising
93 Ecuador 0.0% 2022 up 23.6% rising
94 Philippines 0.0% 2022 down 2.9% rising
95 Chile 0.0% 2022 up 5.6% rising
96 Eritrea 0.0% 2022 up 578.4% volatile
97 Senegal 0.0% 2022 up 5.3% rising
98 Mauritania 0.0% 2022 up 15.8% rising
99 Belize 0.0% 2022 up 9.8% volatile
100 Nicaragua 0.0% 2022 up 6.9% rising
101 Belgium 0.0% 2022 up 7.4% rising
102 Fiji 0.0% 2022 up 42.3% rising
103 Indonesia 0.0% 2022 up 12.3% rising
104 Botswana 0.0% 2022 up 100.5% rising
105 Sierra Leone 0.0% 2022 up 84.9% volatile
106 Afghanistan 0.0% 2022 up 1.4% rising
107 Congo 0.0% 2022 up 137.2% volatile
108 Slovenia 0.0% 2022 up 3.7% rising
109 Rwanda 0.0% 2022 up 832.4% volatile
110 Algeria 0.0% 2022 up 1.4% rising
111 Madagascar 0.0% 2022 up 2.0% rising
112 Papua New Guinea 0.0% 2022 down 1.1% flat
113 Gabon 0.0% 2022 up 305.8% volatile
114 Liberia 0.0% 2022 up 74.0% rising
115 Namibia 0.0% 2022 down 9.9% falling
116 Guatemala 0.0% 2022 up 2.5% flat
117 Suriname 0.0% 2022 up 22.9% rising
118 Mongolia 0.0% 2022 up 58.8% volatile
119 Benin 0.0% 2022 up 10.2% rising
120 Jordan 0.0% 2022 up 35.8% volatile
121 Saudi Arabia 0.0% 2022 up 345.8% volatile
122 Nepal 0.0% 2022 up 6.2% rising
123 Greenland 0.0% 2022 up 6.4% rising
124 Oman 0.0% 2022 — volatile
125 Bhutan 0.0% 2022 up 14.8% volatile
125 Israel 0.0% 2022 unchanged volatile
127 United Arab Emirates 0.0% 2022 — volatile
128 Libya 0.0% 2022 unchanged rising

Regions and income groups

Aggregates are excluded from the country ranking above so that a region can never outrank a country.

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Reservoir maximum water area by country. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 27 August 2026, from https://environment.statizoid.com/stat/reservoir-maximum-water-area-percent-of-total-land-area/

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About this data

Indicator
Reservoir maximum water area (% of total land area)
Source
United Nations Statistics Division, SDG Global Database
Licence
UN SDG Global Database (open, attribution requested)
Coverage
247 places, 5,679 data points, 2000–2022
Last refreshed