Abstract

Gallup’s World Poll continually surveys residents in more than 150 countries and areas, representing more than 98% of the world’s adult population, using randomly selected, nationally representative samples. Gallup typically surveys 1,000 individuals in each country or area, using a standard set of core questions that has been translated into the major languages of the respective country. In some regions, supplemental questions are asked in addition to core questions. Face-to-face interviews are approximately 1 hour, while telephone interviews are about 30 minutes. In many countries, the survey is conducted once per year, and fieldwork is generally completed in two to four weeks. The Country Dataset Details document displays each country’s sample size, month/year of the data collection, mode of interviewing, languages employed, design effect, margin of error and details about sample coverage.

The data was last updated March 2025.

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Abstract

Gallup’s World Poll continually surveys residents in more than 150 countries and areas, representing more than 98% of the world’s adult population, using randomly selected, nationally representative samples. Gallup typically surveys 1,000 individuals in each country or area, using a standard set of core questions that has been translated into the major languages of the respective country. In some regions, supplemental questions are asked in addition to core questions.

Face-to-face interviews are approximately 1 hour, while telephone interviews are about 30 minutes. In many countries, the survey is conducted once per year, and fieldwork is generally completed in two to four weeks. The Country Dataset Details document displays each country’s sample size, month/year of the data collection, mode of interviewing, languages employed, design effect, margin of error and details about sample coverage.

The data was last updated February 2025.

Methodology

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Usage

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