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. 2016 Jun 10;2(6):e1600377. doi: 10.1126/sciadv.1600377

Table 2. Percentages of population and area under the specified artificial sky brightness (μcd/m2).

Country Brightness (μcd/m2)
≤1.7 >1.7 >14 >87 >688 >3000 ≤1.7 >1.7 >14 >87 >688 >3000
Population (%) Area (%)
Afghanistan 39.1 60.9 37.2 26.5 11.6 0.0 79.4 20.6 4.0 0.8 0.0 0.0
Albania 0.0 100.0 98.5 75.6 37.1 10.3 0.0 100.0 87.5 23.8 1.7 0.0
Algeria 0.3 99.7 98.5 91.9 52.1 19.2 66.4 33.6 19.3 8.7 1.1 0.2
American Samoa* 0.0 100.0 100.0 99.7 0.0 0.0 0.0 100.0 100.0 97.0 0.0 0.0
Andorra 0.0 100.0 100.0 100.0 43.6 0.0 0.0 100.0 100.0 98.1 1.5 0.0
Angola 55.2 44.8 33.2 27.5 15.2 7.0 88.5 11.5 2.9 0.8 0.2 0.0
Anguilla* 0.0 100.0 100.0 99.3 0.0 0.0 0.0 100.0 100.0 95.5 0.0 0.0
Antigua and Barbuda 0.0 100.0 100.0 100.0 58.1 0.0 0.0 100.0 100.0 98.7 13.7 0.0
Argentina 1.4 98.6 94.3 87.3 75.8 57.7 38.4 61.6 26.0 6.1 0.9 0.2
Armenia 0.0 100.0 86.3 57.9 31.3 0.0 0.0 100.0 35.1 6.2 0.3 0.0
Aruba* 0.0 100.0 100.0 100.0 68.3 0.0 0.0 100.0 100.0 100.0 23.9 0.0
Australia 2.0 98.0 94.7 88.0 66.7 13.1 88.1 11.9 3.4 0.9 0.2 0.0
Austria 0.0 100.0 99.9 88.7 35.7 10.3 0.0 100.0 97.8 40.0 1.8 0.1
Azerbaijan 0.0 100.0 95.2 71.2 34.6 15.3 18.6 81.4 51.1 13.0 1.3 0.1
Bangladesh 1.1 98.9 79.2 32.2 10.4 0.0 5.3 94.7 60.7 11.5 0.6 0.0
Barbados 0.0 100.0 100.0 100.0 6.0 0.0 0.0 100.0 100.0 99.7 1.4 0.0
Belarus 0.0 100.0 92.7 74.9 48.5 12.0 0.0 100.0 63.2 10.3 0.9 0.1
Belgium 0.0 100.0 100.0 100.0 86.8 22.2 0.0 100.0 100.0 100.0 51.1 2.6
Belize 5.6 94.4 77.8 55.9 4.2 0.0 33.2 66.8 19.7 3.0 0.0 0.0
Benin 34.4 65.6 44.1 27.8 6.6 0.0 84.5 15.5 3.8 1.0 0.0 0.0
Bhutan 12.3 87.7 51.0 20.7 0.0 0.0 43.6 56.4 8.6 0.4 0.0 0.0
Bolivia 13.0 87.0 72.5 63.4 48.9 12.0 77.2 22.8 5.5 1.2 0.1 0.0
Bosnia and Herzegovina 0.0 100.0 98.9 79.0 26.2 0.0 0.0 100.0 88.7 26.0 0.7 0.0
Botswana 22.7 77.3 59.3 43.0 11.5 0.0 89.6 10.4 2.2 0.4 0.0 0.0
Brazil 1.2 98.8 94.7 86.7 62.5 32.3 52.6 47.4 21.6 5.7 0.7 0.1
British Virgin Islands* 0.0 100.0 100.0 100.0 0.0 0.0 0.0 100.0 100.0 100.0 0.0 0.0
Brunei 0.0 100.0 99.9 98.8 91.3 44.9 0.0 100.0 76.4 44.8 12.5 1.6
Bulgaria 0.0 100.0 99.2 77.3 37.0 4.9 0.0 100.0 94.6 19.5 0.9 0.0
Burkina Faso 59.2 40.8 23.4 16.9 10.9 0.0 84.5 15.5 2.7 0.5 0.1 0.0
Burundi 69.5 30.5 9.3 5.2 0.0 0.0 82.8 17.2 1.9 0.3 0.0 0.0
Cambodia 30.0 70.0 30.9 17.2 9.8 0.0 72.4 27.6 4.4 0.8 0.1 0.0
Cameroon 44.6 55.4 42.1 29.3 19.9 0.0 88.0 12.0 3.0 0.5 0.1 0.0
Canada 0.2 99.8 98.9 94.6 76.2 48.3 80.8 19.2 9.0 2.7 0.3 0.1
Cape Verde 1.4 98.6 80.8 42.7 30.2 0.0 24.6 75.4 25.9 4.0 0.5 0.0
Cayman Islands* 0.0 100.0 100.0 99.9 67.6 0.0 0.0 100.0 100.0 96.9 14.0 0.0
Central African Republic 78.2 21.8 19.9 17.1 0.0 0.0 99.7 0.3 0.1 0.0 0.0 0.0
Chad 78.7 21.3 14.0 9.5 7.5 0.0 98.2 1.8 0.5 0.1 0.0 0.0
Chile 0.8 99.2 94.5 87.5 74.4 39.7 51.4 48.6 18.4 5.1 0.7 0.1
China 0.9 99.1 88.9 64.6 32.5 11.9 44.8 55.2 30.0 10.8 1.6 0.2
Christmas Island* 0.0 100.0 99.9 74.3 0.0 0.0 0.0 100.0 49.1 6.9 0.0 0.0
Cocos Islands* 100.0 0.0 0.0 0.0 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0
Colombia 3.0 97.0 89.3 75.0 54.6 18.7 55.8 44.2 22.1 5.2 0.5 0.0
Comoros 38.2 61.8 38.2 15.6 0.0 0.0 64.5 35.5 6.2 0.8 0.0 0.0
Congo 26.2 73.8 64.9 57.6 49.0 4.7 87.6 12.4 3.6 1.1 0.2 0.0
Congo, Democratic Republic of the Congo 69.6 30.4 22.2 17.5 11.8 3.3 95.8 4.2 1.0 0.2 0.0 0.0
Cook Islands* 0.0 100.0 85.4 0.0 0.0 0.0 0.0 100.0 34.7 0.0 0.0 0.0
Costa Rica 0.0 100.0 97.3 81.8 52.9 2.4 0.4 99.6 70.4 18.3 1.6 0.0
Cote d’Ivoire 17.8 82.2 54.2 33.6 19.6 3.5 50.4 49.6 11.1 1.5 0.2 0.0
Croatia 0.0 100.0 100.0 95.2 50.5 21.2 0.0 100.0 98.9 62.2 4.0 0.4
Cuba 0.6 99.4 90.0 66.2 39.5 1.9 6.7 93.3 52.3 10.9 0.9 0.0
Cyprus 0.0 100.0 99.9 98.1 71.4 10.5 0.0 100.0 99.1 72.2 8.4 0.2
Czech Republic 0.0 100.0 100.0 97.5 42.8 7.3 0.0 100.0 100.0 82.3 3.6 0.2
Denmark 0.0 100.0 99.9 89.3 38.5 7.3 0.0 100.0 99.2 47.9 2.9 0.1
Djibouti 48.9 51.1 39.7 0.8 0.0 0.0 82.3 17.7 2.8 0.1 0.0 0.0
Dominica 0.0 100.0 94.5 43.7 0.0 0.0 0.0 100.0 44.4 5.7 0.0 0.0
Dominican Republic 0.0 100.0 98.1 82.3 57.6 22.6 0.2 99.8 79.8 23.0 2.8 0.3
Ecuador 0.4 99.6 95.3 78.3 50.0 17.7 17.2 82.8 53.4 14.9 1.7 0.2
Egypt 0.0 100.0 99.9 99.8 97.5 37.1 52.4 47.6 26.5 12.6 4.9 0.5
El Salvador 0.0 100.0 94.9 67.3 24.2 0.0 0.0 100.0 80.2 18.7 1.1 0.0
Equatorial Guinea 17.2 82.8 54.2 39.1 20.0 0.0 20.4 79.6 22.3 3.6 0.3 0.0
Eritrea 65.1 34.9 21.9 13.3 0.0 0.0 95.5 4.5 0.7 0.1 0.0 0.0
Estonia 0.2 99.8 97.4 83.9 60.5 31.8 2.7 97.3 75.1 19.7 2.3 0.3
Ethiopia 73.9 26.1 11.3 6.1 1.5 0.0 93.4 6.6 1.2 0.2 0.0 0.0
Falkland Islands* 17.6 82.4 80.2 67.8 0.0 0.0 88.7 11.3 1.8 0.2 0.0 0.0
Faroe Islands* 0.0 100.0 96.5 74.5 12.6 0.0 0.1 99.9 84.3 21.5 0.3 0.0
Fiji 27.4 72.6 49.1 29.9 0.0 0.0 67.7 32.3 7.5 1.3 0.0 0.0
Finland 0.0 100.0 99.7 95.7 68.0 33.7 2.8 97.2 73.9 27.6 2.9 0.4
France 0.0 100.0 100.0 94.3 58.9 26.6 0.0 100.0 100.0 64.5 6.7 0.7
French Guiana* 7.8 92.2 88.4 77.9 36.7 0.0 88.3 11.7 2.9 0.7 0.1 0.0
French Polynesia* 0.0 100.0 98.7 80.8 4.9 0.0 0.0 100.0 59.6 10.9 0.2 0.0
Gabon 22.0 78.0 69.4 56.9 38.7 0.2 77.5 22.5 7.9 2.0 0.3 0.0
Gaza Strip* 0.0 100.0 100.0 100.0 95.1 0.0 0.0 100.0 100.0 100.0 68.1 0.0
Georgia 0.0 100.0 92.2 63.6 36.7 4.5 0.0 100.0 49.8 10.8 0.8 0.0
Germany 0.0 100.0 100.0 96.0 41.6 2.7 0.0 100.0 100.0 74.2 4.8 0.1
Ghana 15.5 84.5 60.6 37.1 21.4 0.4 51.5 48.5 16.3 3.4 0.5 0.0
Gibraltar* 0.0 100.0 100.0 100.0 100.0 41.9 0.0 100.0 100.0 100.0 100.0 28.6
Greece 0.0 100.0 99.8 93.2 66.0 41.9 0.0 100.0 96.3 40.1 3.0 0.5
Greenland* 13.3 86.7 86.6 78.1 3.9 0.0 99.9 0.1 0.0 0.0 0.0 0.0
Grenada 0.0 100.0 100.0 76.3 0.0 0.0 0.0 100.0 100.0 39.8 0.0 0.0
Guadeloupe* 0.0 100.0 100.0 99.7 60.2 1.7 0.0 100.0 100.0 87.5 11.3 0.1
Guam* 0.0 100.0 100.0 100.0 82.9 0.0 0.0 100.0 100.0 95.8 27.4 0.0
Guatemala 2.2 97.8 84.8 46.3 20.2 0.5 25.4 74.6 38.9 7.2 0.6 0.0
Guernsey* 0.0 100.0 100.0 91.1 0.0 0.0 0.0 100.0 100.0 68.7 0.0 0.0
Guinea 75.8 24.2 15.3 9.6 0.0 0.0 95.1 4.9 0.8 0.2 0.0 0.0
Guinea-Bissau 68.7 31.3 28.5 23.3 0.0 0.0 97.5 2.5 0.6 0.1 0.0 0.0
Guyana 26.3 73.7 55.5 43.5 5.8 0.0 94.3 5.7 1.2 0.2 0.0 0.0
Haiti 28.1 71.9 41.1 30.7 19.2 0.0 43.5 56.5 12.6 2.5 0.3 0.0
Honduras 2.1 97.9 78.5 51.2 33.2 2.2 28.9 71.1 34.2 6.0 0.5 0.0
Hungary 0.0 100.0 100.0 86.0 38.5 9.8 0.0 100.0 100.0 41.1 2.1 0.2
Iceland 0.7 99.3 95.0 91.6 73.8 38.7 36.0 64.0 24.4 7.6 0.6 0.1
India 0.2 99.8 93.9 58.5 19.5 5.9 6.8 93.2 72.5 24.7 1.5 0.1
Indonesia 7.0 93.0 83.2 64.5 24.8 6.3 60.9 39.1 17.7 6.4 0.6 0.1
Iran 0.2 99.8 97.9 88.5 64.0 17.1 17.0 83.0 55.5 18.1 2.6 0.3
Iraq 0.1 99.9 99.1 95.6 76.2 49.4 28.7 71.3 53.7 33.2 9.0 2.5
Ireland 0.0 100.0 99.6 83.9 45.2 18.5 0.0 100.0 94.6 39.4 2.0 0.3
Isle of Man* 0.0 100.0 99.8 77.4 42.7 0.0 0.0 100.0 97.8 31.5 2.8 0.0
Israel 0.0 100.0 100.0 99.9 97.6 61.0 0.0 100.0 98.2 76.3 41.9 8.1
Italy 0.0 100.0 100.0 99.6 76.9 26.7 0.0 100.0 100.0 90.3 19.7 1.3
Jamaica 0.0 100.0 100.0 86.0 47.2 4.1 0.0 100.0 100.0 41.7 2.9 0.1
Japan 0.0 100.0 99.9 96.7 70.4 29.9 0.1 99.9 91.1 39.2 7.1 1.0
Jersey* 0.0 100.0 100.0 98.9 35.8 0.0 0.0 100.0 100.0 91.5 6.5 0.0
Jordan 0.1 99.9 99.7 98.8 80.5 24.7 13.6 86.4 52.0 22.2 4.2 0.2
Kazakhstan 7.7 92.3 80.5 66.0 45.0 12.3 60.9 39.1 11.3 2.9 0.5 0.1
Kenya 34.9 65.1 31.6 18.3 9.1 0.0 85.2 14.8 3.3 0.7 0.1 0.0
Kuwait 0.0 100.0 100.0 100.0 100.0 98.1 0.0 100.0 100.0 92.0 50.9 11.5
Kyrgyzstan 1.8 98.2 88.8 60.5 18.6 0.0 35.9 64.1 19.3 3.6 0.1 0.0
Laos 41.0 59.0 35.7 20.1 8.3 0.0 73.7 26.3 5.0 1.0 0.1 0.0
Latvia 0.0 100.0 89.2 71.9 46.8 21.2 0.0 100.0 48.3 9.2 1.0 0.1
Lebanon 0.0 100.0 100.0 99.6 63.0 28.4 0.0 100.0 100.0 88.5 18.3 1.7
Lesotho 18.1 81.9 45.9 21.8 0.0 0.0 45.2 54.8 9.2 1.0 0.0 0.0
Liberia 73.6 26.4 15.7 9.2 0.0 0.0 95.1 4.9 0.9 0.1 0.0 0.0
Libya 0.9 99.1 98.7 97.3 84.7 52.7 71.1 28.9 12.4 4.1 0.7 0.1
Liechtenstein 0.0 100.0 100.0 100.0 0.0 0.0 0.0 100.0 100.0 93.7 0.0 0.0
Lithuania 0.0 100.0 93.0 66.7 41.9 7.8 0.0 100.0 72.0 11.7 1.0 0.0
Luxembourg 0.0 100.0 100.0 100.0 60.1 6.9 0.0 100.0 100.0 100.0 18.9 0.2
Macedonia 0.0 100.0 100.0 84.2 42.4 10.8 0.0 100.0 100.0 23.4 1.4 0.1
Madagascar 76.7 23.3 15.3 9.6 0.0 0.0 97.4 2.6 0.5 0.1 0.0 0.0
Malawi 29.7 70.3 27.9 13.4 0.7 0.0 62.3 37.7 6.5 1.1 0.0 0.0
Malaysia 1.7 98.3 94.2 88.9 67.9 34.6 32.3 67.7 40.7 19.8 3.7 0.6
Mali 64.6 35.4 27.9 24.1 12.6 0.0 97.0 3.0 0.6 0.1 0.0 0.0
Malta 0.0 100.0 100.0 100.0 99.8 41.5 0.0 100.0 100.0 100.0 88.5 16.7
Martinique* 0.0 100.0 100.0 100.0 65.5 7.2 0.0 100.0 100.0 98.8 25.2 0.3
Mauritania 61.1 38.9 32.7 28.2 21.4 0.0 98.6 1.4 0.3 0.1 0.0 0.0
Mauritius 0.0 100.0 100.0 95.1 29.9 0.0 0.0 100.0 100.0 70.9 4.3 0.0
Mayotte* 0.0 100.0 100.0 69.5 0.0 0.0 0.0 100.0 100.0 37.6 0.0 0.0
Mexico 0.5 99.5 95.8 83.3 58.3 22.8 20.8 79.2 37.9 11.6 1.7 0.2
Midway Islands* 100.0 0.0 0.0 0.0 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0
Moldova 0.0 100.0 89.9 43.8 18.6 0.0 0.0 100.0 68.7 8.2 0.5 0.0
Mongolia 31.4 68.6 63.2 51.6 36.7 0.0 95.6 4.4 0.8 0.1 0.0 0.0
Montenegro 0.0 100.0 97.2 80.6 44.7 11.7 0.0 100.0 81.0 24.9 1.5 0.1
Montserrat* 0.0 100.0 97.8 0.0 0.0 0.0 0.0 100.0 17.9 0.0 0.0 0.0
Morocco 0.9 99.1 91.0 67.5 49.3 29.3 26.6 73.4 39.8 11.3 1.4 0.2
Mozambique 55.8 44.2 28.3 20.3 11.9 2.9 87.2 12.8 2.9 0.6 0.1 0.0
Myanmar 26.2 73.8 39.9 21.5 9.5 0.6 70.3 29.7 5.6 1.0 0.1 0.0
Namibia 31.3 68.7 50.1 37.1 17.4 0.0 92.3 7.7 1.5 0.2 0.0 0.0
Nauru 0.0 100.0 100.0 100.0 0.0 0.0 0.0 100.0 100.0 100.0 0.0 0.0
Nepal 21.9 78.1 45.7 18.1 0.0 0.0 60.5 39.5 10.2 1.2 0.0 0.0
Netherlands 0.0 100.0 100.0 100.0 81.2 26.2 0.0 100.0 100.0 99.4 42.5 7.2
Netherlands Antilles* 0.0 100.0 100.0 99.2 93.5 0.7 0.0 100.0 100.0 79.6 30.0 1.7
New Caledonia* 7.6 92.4 79.2 67.2 48.4 0.0 38.9 61.1 16.3 3.9 0.6 0.0
New Zealand 2.8 97.2 91.4 83.4 56.4 4.8 53.1 46.9 15.1 3.5 0.5 0.0
Nicaragua 16.9 83.1 65.5 50.7 24.3 0.0 64.7 35.3 11.8 2.5 0.2 0.0
Niger 73.2 26.8 18.7 14.6 6.5 0.0 97.3 2.7 0.6 0.1 0.0 0.0
Nigeria 25.4 74.6 52.6 35.6 13.8 0.5 59.7 40.3 15.8 7.0 1.4 0.2
Niue* 97.3 2.7 0.0 0.0 0.0 0.0 99.5 0.5 0.0 0.0 0.0 0.0
Norfolk Island* 100.0 0.0 0.0 0.0 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0
North Korea 27.3 72.7 42.4 15.4 1.1 0.0 61.9 38.1 10.0 1.8 0.0 0.0
Northern Mariana Islands* 0.0 100.0 100.0 100.0 0.0 0.0 0.0 100.0 100.0 100.0 0.0 0.0
Norway 0.0 100.0 99.7 95.5 69.1 28.7 1.4 98.6 66.1 22.1 1.8 0.2
Oman 0.1 99.9 98.9 96.1 80.5 34.1 15.1 84.9 54.3 23.2 3.2 0.5
Pakistan 3.4 96.6 89.8 58.6 19.7 6.6 45.9 54.1 32.2 9.4 0.5 0.1
Panama 6.3 93.7 86.0 73.0 54.1 17.2 42.5 57.5 27.0 7.4 1.2 0.1
Papua New Guinea 68.3 31.7 18.8 10.9 5.3 0.1 89.4 10.6 2.5 0.6 0.1 0.0
Paraguay 1.6 98.4 86.4 70.9 55.0 34.7 57.2 42.8 18.2 3.9 0.6 0.1
Peru 8.7 91.3 73.2 63.4 48.3 16.4 62.4 37.6 8.7 1.7 0.2 0.0
Philippines 8.7 91.3 67.2 47.6 26.5 7.2 35.6 64.4 20.9 6.1 0.7 0.1
Poland 0.0 100.0 100.0 93.9 50.1 13.9 0.0 100.0 99.7 67.5 4.5 0.3
Portugal 0.0 100.0 100.0 98.3 76.7 35.4 0.0 100.0 100.0 71.2 12.8 1.3
Puerto Rico* 0.0 100.0 100.0 100.0 71.0 25.5 0.0 100.0 100.0 99.9 28.6 3.4
Qatar 0.0 100.0 100.0 100.0 99.8 96.7 0.0 100.0 100.0 97.0 54.6 16.3
Reunion* 0.0 100.0 100.0 95.2 43.8 0.0 0.0 100.0 99.7 51.0 3.7 0.0
Romania 0.0 100.0 99.3 65.7 32.3 10.5 0.0 100.0 92.5 24.3 1.3 0.1
Russia 1.7 98.3 92.7 80.9 61.8 32.0 66.5 33.5 16.0 4.9 0.6 0.1
Rwanda 9.9 90.1 28.0 10.2 0.5 0.0 25.0 75.0 13.4 1.9 0.0 0.0
Samoa 31.7 68.3 62.1 35.6 0.0 0.0 79.6 20.4 4.3 0.8 0.0 0.0
San Marino 0.0 100.0 100.0 100.0 100.0 0.0 0.0 100.0 100.0 100.0 100.0 0.0
Sao Tome and Principe 5.6 94.4 80.5 41.0 0.0 0.0 25.5 74.5 26.1 5.2 0.0 0.0
Saudi Arabia 0.0 100.0 99.8 99.1 95.9 83.0 28.3 71.7 43.0 17.3 3.3 0.6
Senegal 33.5 66.5 45.5 34.0 15.5 0.0 81.9 18.1 4.3 0.9 0.1 0.0
Serbia 0.0 100.0 100.0 92.4 39.4 13.6 0.0 100.0 100.0 57.9 3.1 0.2
Seychelles 0.0 100.0 100.0 76.5 4.6 0.0 0.0 100.0 99.6 55.6 0.4 0.0
Sierra Leone 72.5 27.5 19.3 10.1 0.0 0.0 91.1 8.9 1.3 0.1 0.0 0.0
Singapore 0.0 100.0 100.0 100.0 100.0 100.0 0.0 100.0 100.0 100.0 100.0 100.0
Slovakia 0.0 100.0 99.8 82.3 23.8 4.8 0.0 100.0 98.6 46.8 1.8 0.2
Slovenia 0.0 100.0 100.0 95.9 27.0 0.4 0.0 100.0 100.0 68.4 1.9 0.0
Solomon Islands 61.6 38.4 33.7 30.6 0.0 0.0 94.3 5.7 1.2 0.2 0.0 0.0
Somalia 74.4 25.6 21.7 13.3 0.0 0.0 98.8 1.2 0.2 0.0 0.0 0.0
South Africa 2.2 97.8 83.7 66.8 46.1 10.9 37.7 62.3 27.4 7.5 1.1 0.1
South Korea 0.0 100.0 100.0 99.8 91.0 66.4 0.0 100.0 100.0 89.4 19.1 3.5
Spain 0.0 100.0 100.0 96.1 75.2 41.5 0.0 100.0 98.6 46.5 6.7 0.9
Sri Lanka 0.7 99.3 76.4 29.8 2.5 0.0 11.4 88.6 33.9 5.4 0.2 0.0
St. Helena* 16.1 83.9 0.0 0.0 0.0 0.0 51.4 48.6 0.9 0.0 0.0 0.0
St. Kitts and Nevis 0.0 100.0 100.0 99.5 59.7 0.0 0.0 100.0 100.0 56.9 5.0 0.0
St. Lucia 0.0 100.0 100.0 96.7 44.2 0.0 0.0 100.0 100.0 63.1 1.8 0.0
St. Pierre and Miquelon* 3.7 96.3 48.1 48.1 0.0 0.0 26.2 73.8 4.3 0.4 0.0 0.0
Sudan 59.3 40.7 29.6 22.5 11.6 1.9 93.9 6.1 1.6 0.4 0.1 0.0
Suriname 10.8 89.2 85.4 77.6 51.5 7.1 87.0 13.0 3.7 1.1 0.1 0.0
Swaziland 0.0 100.0 76.3 33.0 9.8 0.0 0.0 100.0 64.5 8.3 0.3 0.0
Sweden 0.0 100.0 99.9 96.7 62.0 25.7 5.6 94.4 60.3 21.4 1.6 0.2
Switzerland 0.0 100.0 100.0 96.9 34.0 0.0 0.0 100.0 100.0 57.9 2.6 0.0
Syria 0.4 99.6 91.2 68.5 21.5 1.3 23.3 76.7 38.2 12.4 0.4 0.0
Tajikistan 3.8 96.2 87.8 55.9 14.1 0.0 57.5 42.5 19.4 3.1 0.1 0.0
Tanzania 62.7 37.3 23.0 15.4 8.8 0.0 92.5 7.5 1.3 0.2 0.0 0.0
Thailand 0.2 99.8 92.5 61.5 32.3 16.3 4.4 95.6 64.2 18.0 2.4 0.3
The Gambia 36.1 63.9 52.8 43.6 0.0 0.0 77.2 22.8 6.7 2.6 0.0 0.0
Timor-Leste 30.7 69.3 30.8 15.2 4.4 0.0 57.3 42.7 6.7 1.0 0.1 0.0
Togo 35.8 64.2 48.0 30.8 22.7 0.0 76.7 23.3 6.2 1.4 0.3 0.0
Tokelau* 100.0 0.0 0.0 0.0 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0
Tonga 0.0 100.0 98.4 66.5 0.0 0.0 0.0 100.0 79.9 13.0 0.0 0.0
Trinidad and Tobago 0.0 100.0 100.0 100.0 94.3 50.2 0.0 100.0 100.0 96.6 43.5 5.2
Tunisia 0.0 100.0 99.4 80.4 48.5 16.5 9.8 90.2 61.6 17.2 1.8 0.2
Turkey 0.0 100.0 97.8 77.7 49.9 24.3 0.0 100.0 87.4 25.7 2.2 0.3
Turkmenistan 1.3 98.7 95.9 87.5 47.3 19.5 46.0 54.0 25.0 8.5 1.3 0.2
Uganda 60.6 39.4 17.7 9.8 4.1 0.0 83.3 16.7 3.2 0.7 0.0 0.0
Ukraine 0.1 99.9 91.3 65.0 29.9 2.9 0.4 99.6 62.8 11.1 0.9 0.1
United Arab Emirates 0.0 100.0 100.0 100.0 99.3 92.7 0.0 100.0 92.3 60.9 23.4 5.7
United Kingdom 0.0 100.0 99.9 98.2 77.0 26.0 3.6 96.4 86.4 60.8 13.5 1.4
United States 0.0 100.0 99.7 97.2 77.6 36.9 30.4 69.6 46.9 23.2 3.6 0.6
Uruguay 1.3 98.7 94.6 89.1 75.3 34.8 19.8 80.2 27.9 6.7 0.9 0.1
Uzbekistan 0.9 99.1 96.5 81.0 19.7 2.7 56.0 44.0 25.9 10.7 0.6 0.1
Vanuatu 41.1 58.9 40.3 14.0 0.0 0.0 69.0 31.0 11.5 7.9 1.4 0.2
Venezuela 1.2 98.8 96.7 91.2 73.0 33.7 52.5 47.5 30.7 14.0 3.3 0.8
Vietnam 3.2 96.8 85.6 60.6 25.2 8.2 21.3 78.7 42.5 17.5 3.0 0.7
Virgin Islands* 0.0 100.0 100.0 99.9 75.9 0.0 0.0 100.0 100.0 99.1 37.2 0.0
Wallis and Futuna* 100.0 0.0 0.0 0.0 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0
West Bank* 0.0 100.0 100.0 100.0 94.6 42.4 0.0 100.0 100.0 100.0 61.1 4.1
Western Sahara* 4.1 95.9 95.6 95.5 90.6 5.9 93.7 6.3 1.5 0.4 0.1 0.0
Yemen 2.7 97.3 52.5 27.9 14.4 1.4 45.5 54.5 18.9 4.9 0.5 0.1
Zambia 43.8 56.2 42.2 35.1 16.1 0.0 85.9 14.1 3.7 0.8 0.1 0.0
Zimbabwe 45.6 54.4 37.5 28.4 2.5 0.0 77.2 22.8 4.3 0.7 0.0 0.0
European Union 0.0 100.0 99.8 94.0 59.5 20.5 1.3 98.7 88.4 48.7 6.0 0.6
World 8.0 92.0 83.2 63.7 35.9 13.9 60.3 39.7 22.5 8.6 1.2 2

*Nonindependent territories.