| Country or Area | Subgroup | Year | Source | Unit | Value | |
|---|
| Afghanistan | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 33 |
| Albania | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 97 |
| Algeria | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 95 |
| Angola | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 46 |
| Argentina | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 99 |
| Armenia | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 99 |
| Australia | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 99 |
| Azerbaijan | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 78 |
| Bangladesh | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 29 |
| Belarus | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 100 |
| Belize | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 89 |
| Benin | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 87 |
| Bhutan | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 63 |
| Bolivia (Plurinational State of) | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 68 |
| Bosnia and Herzegovina | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 100 |
| Botswana | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 99 |
| Brazil | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 98 |
| Brunei Darussalam | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 100 |
| Bulgaria | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 93 |
| Burkina Faso | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 66 |
| Burundi | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 60 |
| Cambodia | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 54 |
| Cameroon | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 61 |
| Canada | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 99 |
| Cape Verde | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 76 |
| Central African Republic | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 53 |
| Chad | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 16 |
| Chile | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 100 |
| China | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 98 |
| Colombia | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 99 |
| Congo | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 92 |
| Cook Islands | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 100 |
| Costa Rica | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 99 |
| Côte d'Ivoire | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 57 |
| Cuba | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 100 |
| Cyprus | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 100 |
| Democratic People's Republic of Korea | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 95 |
| Democratic Republic of the Congo | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 75 |
| Djibouti | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 87 |
| Dominican Republic | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 98 |
| East Asia and Pacific | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 84 |
| Eastern and Southern Africa | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 43 |
| Ecuador | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 85 |
| Egypt | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 72 |
| El Salvador | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 85 |
| Eritrea | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 26 |
| Ethiopia | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 10 |
| Finland | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 100 |
| Gabon | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 85 |
| Gambia | Total | 2007-2012 | UN_Demographic and Health Surveys (DHS), Multiple Indicator Cluster Surveys (MICS) and other national surveys | Percent | 56 |