Household Survey Data Availability in the World Bank Global Poverty Database, by Region and Income Group
| . | Survey coverage (%) . | Share of countries in which the latest two surveys are comparable . | Average latest survey year . | Share of countries with survey after 2015 (%) . | ||||
|---|---|---|---|---|---|---|---|---|
| . | Unweighted . | Pop. weighted . | Unweighted . | Pop. weighted . | Unweighted . | Pop. weighted . | Unweighted . | Pop. weighted . |
| East Asia and Pacific | 53.6 | 97.4 | 57.1 | 99.5 | 2017 | 2020 | 61.9 | 99.5 |
| Europe and Central Asia | 80.6 | 87.4 | 93.3 | 97.7 | 2017 | 2018 | 83.3 | 89.5 |
| Latin America and the Caribbean | 48.5 | 86.7 | 76.0 | 96.9 | 2015 | 2020 | 64.0 | 89.8 |
| Middle East and North Africa | 28.6 | 48.3 | 66.7 | 60.0 | 2013 | 2015 | 33.3 | 53.3 |
| South Asia | 77.8 | 96.4 | 71.4 | 98.5 | 2017 | 2018 | 85.7 | 98.5 |
| Sub-Saharan Africa | 58.3 | 54.3 | 53.3 | 55.2 | 2016 | 2016 | 62.2 | 58.1 |
| Low income | 48.3 | 30.0 | 56.0 | 69.6 | 2015 | 2015 | 56.0 | 37.3 |
| Lower-middle income | 64.7 | 90.0 | 61.2 | 83.3 | 2016 | 2018 | 65.3 | 91.5 |
| Upper-middle income | 55.0 | 92.5 | 79.6 | 99.3 | 2015 | 2019 | 63.3 | 94.1 |
| High income | 50.6 | 83.6 | 91.1 | 91.1 | 2018 | 2019 | 93.3 | 89.0 |
| . | Survey coverage (%) . | Share of countries in which the latest two surveys are comparable . | Average latest survey year . | Share of countries with survey after 2015 (%) . | ||||
|---|---|---|---|---|---|---|---|---|
| . | Unweighted . | Pop. weighted . | Unweighted . | Pop. weighted . | Unweighted . | Pop. weighted . | Unweighted . | Pop. weighted . |
| East Asia and Pacific | 53.6 | 97.4 | 57.1 | 99.5 | 2017 | 2020 | 61.9 | 99.5 |
| Europe and Central Asia | 80.6 | 87.4 | 93.3 | 97.7 | 2017 | 2018 | 83.3 | 89.5 |
| Latin America and the Caribbean | 48.5 | 86.7 | 76.0 | 96.9 | 2015 | 2020 | 64.0 | 89.8 |
| Middle East and North Africa | 28.6 | 48.3 | 66.7 | 60.0 | 2013 | 2015 | 33.3 | 53.3 |
| South Asia | 77.8 | 96.4 | 71.4 | 98.5 | 2017 | 2018 | 85.7 | 98.5 |
| Sub-Saharan Africa | 58.3 | 54.3 | 53.3 | 55.2 | 2016 | 2016 | 62.2 | 58.1 |
| Low income | 48.3 | 30.0 | 56.0 | 69.6 | 2015 | 2015 | 56.0 | 37.3 |
| Lower-middle income | 64.7 | 90.0 | 61.2 | 83.3 | 2016 | 2018 | 65.3 | 91.5 |
| Upper-middle income | 55.0 | 92.5 | 79.6 | 99.3 | 2015 | 2019 | 63.3 | 94.1 |
| High income | 50.6 | 83.6 | 91.1 | 91.1 | 2018 | 2019 | 93.3 | 89.0 |
Source: Authors’ calculations based on data in the World Bank's Poverty and Inequality Platform, March 2023 vintage.
Note: The table shows indicators of household survey data availability for 169 countries available in the World Bank global poverty database. For each country, the study keeps the latest available round of survey data and calculates: the share of observations with a comparable previous spell, the average latest survey-year available, and the share of observations where the latest available survey is after 2015. Population-weighted figures use the population in each country at the time of the latest available survey.
Household Survey Data Availability in the World Bank Global Poverty Database, by Region and Income Group
| . | Survey coverage (%) . | Share of countries in which the latest two surveys are comparable . | Average latest survey year . | Share of countries with survey after 2015 (%) . | ||||
|---|---|---|---|---|---|---|---|---|
| . | Unweighted . | Pop. weighted . | Unweighted . | Pop. weighted . | Unweighted . | Pop. weighted . | Unweighted . | Pop. weighted . |
| East Asia and Pacific | 53.6 | 97.4 | 57.1 | 99.5 | 2017 | 2020 | 61.9 | 99.5 |
| Europe and Central Asia | 80.6 | 87.4 | 93.3 | 97.7 | 2017 | 2018 | 83.3 | 89.5 |
| Latin America and the Caribbean | 48.5 | 86.7 | 76.0 | 96.9 | 2015 | 2020 | 64.0 | 89.8 |
| Middle East and North Africa | 28.6 | 48.3 | 66.7 | 60.0 | 2013 | 2015 | 33.3 | 53.3 |
| South Asia | 77.8 | 96.4 | 71.4 | 98.5 | 2017 | 2018 | 85.7 | 98.5 |
| Sub-Saharan Africa | 58.3 | 54.3 | 53.3 | 55.2 | 2016 | 2016 | 62.2 | 58.1 |
| Low income | 48.3 | 30.0 | 56.0 | 69.6 | 2015 | 2015 | 56.0 | 37.3 |
| Lower-middle income | 64.7 | 90.0 | 61.2 | 83.3 | 2016 | 2018 | 65.3 | 91.5 |
| Upper-middle income | 55.0 | 92.5 | 79.6 | 99.3 | 2015 | 2019 | 63.3 | 94.1 |
| High income | 50.6 | 83.6 | 91.1 | 91.1 | 2018 | 2019 | 93.3 | 89.0 |
| . | Survey coverage (%) . | Share of countries in which the latest two surveys are comparable . | Average latest survey year . | Share of countries with survey after 2015 (%) . | ||||
|---|---|---|---|---|---|---|---|---|
| . | Unweighted . | Pop. weighted . | Unweighted . | Pop. weighted . | Unweighted . | Pop. weighted . | Unweighted . | Pop. weighted . |
| East Asia and Pacific | 53.6 | 97.4 | 57.1 | 99.5 | 2017 | 2020 | 61.9 | 99.5 |
| Europe and Central Asia | 80.6 | 87.4 | 93.3 | 97.7 | 2017 | 2018 | 83.3 | 89.5 |
| Latin America and the Caribbean | 48.5 | 86.7 | 76.0 | 96.9 | 2015 | 2020 | 64.0 | 89.8 |
| Middle East and North Africa | 28.6 | 48.3 | 66.7 | 60.0 | 2013 | 2015 | 33.3 | 53.3 |
| South Asia | 77.8 | 96.4 | 71.4 | 98.5 | 2017 | 2018 | 85.7 | 98.5 |
| Sub-Saharan Africa | 58.3 | 54.3 | 53.3 | 55.2 | 2016 | 2016 | 62.2 | 58.1 |
| Low income | 48.3 | 30.0 | 56.0 | 69.6 | 2015 | 2015 | 56.0 | 37.3 |
| Lower-middle income | 64.7 | 90.0 | 61.2 | 83.3 | 2016 | 2018 | 65.3 | 91.5 |
| Upper-middle income | 55.0 | 92.5 | 79.6 | 99.3 | 2015 | 2019 | 63.3 | 94.1 |
| High income | 50.6 | 83.6 | 91.1 | 91.1 | 2018 | 2019 | 93.3 | 89.0 |
Source: Authors’ calculations based on data in the World Bank's Poverty and Inequality Platform, March 2023 vintage.
Note: The table shows indicators of household survey data availability for 169 countries available in the World Bank global poverty database. For each country, the study keeps the latest available round of survey data and calculates: the share of observations with a comparable previous spell, the average latest survey-year available, and the share of observations where the latest available survey is after 2015. Population-weighted figures use the population in each country at the time of the latest available survey.
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