Universes
In our data, a Universe is defined as: The population responding to the question (or, in the case of children or births, the population to whom the question applies).
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In addition to universe differences, some samples use sampling designs that are not represenative at the national level. For more information, click here.
See the Country specific Questionnaires and Reports for additional information.
Women
The most common universe for women for our data is All women age 15-49. However, the following samples are exceptions to this rule:
| Country | Years Applicable | Universe |
|---|---|---|
| Egypt | 2013 | Ever-married women age 15-49 |
| Lebanon | 2005 | Ever-married women age 15-49 |
| Palestine | 2010 | Ever-married women age 15-54 |
| Yemen | 2006 | Ever-married women age 15-49 |
Children
The most common universe for younger children for our data is All children age 0 - 4. However, the following samples are exceptions to this rule:
| Country | Years Applicable | Universe |
|---|---|---|
| Cuba | 2006 | Age 0-1 |
Children age 5-17
The most common universe for older children for our data is All children age 5-17. However, the following samples are exceptions to this rule:
| Country | Years Applicable | Universe |
|---|---|---|
| Thailand | 2019 | Age 5-14 |
Men
The most common universe for men for our data is All men age 15 - 49. However, the following samples are exceptions to this rule:
| Country | Years Applicable | Universe |
|---|---|---|
| Belarus | 2012, 2019 | Men age 15-59 |
| Central African Republic | 2010 | Men age 15-59 |
| Cameroon | 2014 | Men age 15-59 |
| Ghana | 2010 (Accra), 2011 | Men age 15-59 |
| Honduras | 2019 | Men age 15-59 |
| Kazakhstan | 2010 | Men age 15-59 |
| Mongolia | 2010, 2013 | Men age 15-54 |
| Serbia | 2010 (National and Roma Population) | Men age 15-29 |
| Eswatini | 2010, 2014 | Men age 15-59 |
| Togo | 2010 | Men age 15-59 |
| Zimbabwe | 2014 | Men age 15-54 |
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