| Macro Region |
| Africa | 37 timeseries | |
| Asia | 16 timeseries | |
| Central America and the Caribbean | 11 timeseries | |
| Europe | 39 timeseries | |
| Middle East | 10 timeseries | |
| North America | 1.08 % in 2021 | WB |
| Oceania | 12 timeseries | |
| South America | 10 timeseries | |
| Southeast Asia | 13 timeseries |
| Country (%) |
| Montenegro | 58.82 in 2020 | WB |
| Tuvalu | 23.61 in 2016 | WB |
| Honduras | 21.88 in 2020 | WB |
| Zimbabwe | 21.13 in 2019 | WB |
| Afghanistan | 19.58 in 2020 | WB |
| Ethiopia | 19.03 in 2013 | WB |
| Nigeria | 18.95 in 2019 | WB |
| Nicaragua | 18.21 in 2012 | WB |
| Algeria | 16.64 in 2017 | WB |
| Rwanda | 16.08 in 2020 | WB |
| Azerbaijan | 15.01 in 2020 | WB |
| Suriname | 14.5 in 2016 | WB |
| Vanuatu | 14.39 in 2019 | WB |
| Haiti | 14.36 in 2012 | WB |
| Argentina | 13.95 in 2020 | WB |
| United Republic of Tanzania | 13.61 in 2014 | WB |
| Belize | 13.24 in 2019 | WB |
| Malawi | 13.16 in 2012 | WB |
| Iran | 12.76 in 2020 | WB |
| Ghana | 12.28 in 2017 | WB |
| Peru | 12.14 in 2020 | WB |
| Panama | 11.71 in 2021 | WB |
| Cabo Verde | 11.23 in 2019 | WB |
| Morocco | 10.91 in 2013 | WB |
| Brunei Darussalam | 10.69 in 2020 | WB |
| Liberia | 10.6 in 2017 | WB |
| Cameroon | 10.43 in 2014 | WB |
| Mozambique | 10.43 in 2015 | WB |
| Costa Rica | 10.3 in 2020 | WB |
| Philippines | 9.3 in 2016 | WB |
| Burundi | 8.63 in 2014 | WB |
| Italy | 8.54 in 2020 | WB |
| Uruguay | 8.33 in 2020 | WB |
| Australia | 7.42 in 2021 | WB |
| Yemen | 7.22 in 2014 | WB |
| Colombia | 7.11 in 2019 | WB |
| Indonesia | 7.06 in 2020 | WB |
| Tonga | 6.88 in 2018 | WB |
| Gambia | 6.83 in 2012 | WB |
| Ireland | 6.82 in 2020 | WB |
| Cyprus | 6.66 in 2020 | WB |
| France | 6.6 in 2020 | WB |
| Armenia | 6.57 in 2020 | WB |
| Côte d'Ivoire | 6.46 in 2017 | WB |
| Chile | 6.36 in 2020 | WB |
| Portugal | 6.32 in 2020 | WB |
| Comoros | 6.29 in 2014 | WB |
| Nepal | 6.25 in 2017 | WB |
| Guatemala | 6.17 in 2019 | WB |
| Brazil | 6.11 in 2020 | WB |
| El Salvador | 6.06 in 2020 | WB |
| Serbia | 5.94 in 2020 | WB |
| Finland | 5.88 in 2020 | WB |
| Uganda | 5.84 in 2017 | WB |
| Dominican Republic | 5.79 in 2020 | WB |
| Marshall Islands | 5.76 in 2019 | WB |
| Albania | 5.63 in 2019 | WB |
| Mexico | 5.51 in 2014 | WB |
| Paraguay | 5.49 in 2019 | WB |
| Micronesia (Federated States of) | 5.43 in 2014 | WB |
| Somalia | 5.37 in 2019 | WB |
| Greece | 5.16 in 2020 | WB |
| Kenya | 4.96 in 2019 | WB |
| Zambia | 4.84 in 2019 | WB |
| Lesotho | 4.82 in 2019 | WB |
| Seychelles | 4.81 in 2020 | WB |
| Guyana | 4.69 in 2019 | WB |
| Spain | 4.65 in 2020 | WB |
| Barbados | 4.57 in 2019 | WB |
| Georgia | 4.46 in 2020 | WB |
| Solomon Islands | 4.44 in 2013 | WB |
| Turkey | 4.34 in 2020 | WB |
| Namibia | 4.32 in 2018 | WB |
| South Africa | 4.21 in 2020 | WB |
| Belgium | 4.15 in 2020 | WB |
| Hong Kong | 4.14 in 2020 | WB |
| United Kingdom | 4.03 in 2019 | WB |
| Sweden | 3.99 in 2020 | WB |
| Republic of Moldova | 3.98 in 2018 | WB |
| Latvia | 3.96 in 2020 | WB |
| Republic of Korea | 3.93 in 2020 | WB |
| Slovenia | 3.79 in 2020 | WB |
| Iceland | 3.67 in 2020 | WB |
| Mauritania | 3.58 in 2017 | WB |
| Botswana | 3.55 in 2020 | WB |
| Kiribati | 3.55 in 2019 | WB |
| Madagascar | 3.52 in 2015 | WB |
| Malta | 3.51 in 2020 | WB |
| Singapore | 3.44 in 2020 | WB |
| Norway | 3.25 in 2020 | WB |
| Bhutan | 3.18 in 2010 | WB |
| Malaysia | 3.18 in 2020 | WB |
| Switzerland | 3.18 in 2020 | WB |
| Netherlands | 2.98 in 2020 | WB |
| Denmark | 2.93 in 2020 | WB |
| Bosnia and Herzegovina | 2.77 in 2020 | WB |
| New Zealand | 2.65 in 2020 | WB |
| Bangladesh | 2.61 in 2017 | WB |
| Lebanon | 2.53 in 2019 | WB |
| North Macedonia | 2.49 in 2020 | WB |
| Austria | 2.45 in 2020 | WB |
| Romania | 2.43 in 2020 | WB |
| Tajikistan | 2.4 in 2016 | WB |
| Myanmar | 2.35 in 2019 | WB |
| Germany | 2.29 in 2020 | WB |
| Viet Nam | 2.18 in 2020 | WB |
| Japan | 2.16 in 2020 | WB |
| Mauritius | 2.11 in 2019 | WB |
| Kazakhstan | 2.09 in 2012 | WB |
| Bolivia | 1.99 in 2019 | WB |
| Nauru | 1.99 in 2013 | WB |
| Croatia | 1.94 in 2020 | WB |
| Thailand | 1.75 in 2020 | WB |
| Luxembourg | 1.72 in 2020 | WB |
| Palestine | 1.69 in 2020 | WB |
| Sri Lanka | 1.64 in 2019 | WB |
| Lao People’s Democratic Republic | 1.61 in 2017 | WB |
| Togo | 1.59 in 2017 | WB |
| Kyrgyzstan | 1.49 in 2020 | WB |
| Poland | 1.44 in 2020 | WB |
| United Arab Emirates | 1.3 in 2019 | WB |
| Cambodia | 1.25 in 2019 | WB |
| Niger | 1.23 in 2011 | WB |
| Canada | 1.21 in 2021 | WB |
| Eswatini | 1.2 in 2016 | WB |
| United States of America | 1.06 in 2021 | WB |
| Estonia | 1.03 in 2020 | WB |
| Slovakia | 0.96 in 2020 | WB |
| Macau | 0.9 in 2016 | WB |
| Hungary | 0.88 in 2020 | WB |
| Russian Federation | 0.81 in 2016 | WB |
| Israel | 0.8 in 2020 | WB |
| Lithuania | 0.79 in 2020 | WB |
| Jamaica | 0.79 in 2010 | WB |
| Palau | 0.77 in 2014 | WB |
| Senegal | 0.77 in 2019 | WB |
| Burkina Faso | 0.72 in 2018 | WB |
| Saudi Arabia | 0.72 in 2020 | WB |
| Sierra Leone | 0.72 in 2018 | WB |
| Pakistan | 0.57 in 2019 | WB |
| Mongolia | 0.49 in 2020 | WB |
| Timor-Leste | 0.44 in 2013 | WB |
| Belarus | 0.34 in 2020 | WB |
| Bulgaria | 0.34 in 2020 | WB |
| Czech Republic | 0.27 in 2020 | WB |
| Ukraine | 0.27 in 2017 | WB |
| Samoa | 0.24 in 2017 | WB |
| Jordan | 0.17 in 2020 | WB |
| Maldives | 0.14 in 2019 | WB |
| Egypt | 0.01 in 2020 | WB |
| Mali | 0 in 2018 | WB |
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