{"id": 1288613, "name": "Population of lower-middle-income countries", "unit": "", "description": "Population by country and year.", "createdAt": "2026-07-01T15:31:12.000Z", "updatedAt": "2026-07-01T15:31:12.000Z", "coverage": "", "timespan": "1987-2025", "datasetId": 8028, "shortUnit": "", "columnOrder": 0, "shortName": "classification_lower_middle_income_countries_pop", "catalogPath": "grapher/wb/2026-07-01/income_groups/income_groups#classification_lower_middle_income_countries_pop", "descriptionShort": "Population of countries classified as lower-middle income by the World Bank.", "descriptionFromProducer": "For the current 2027 fiscal year, low-income economies are defined as those with a GNI per capita, calculated using the [World Bank Atlas method](https://datahelpdesk.worldbank.org/knowledgebase/articles/378832-what-is-the-world-bank-atlas-method), of $1,175 or less in 2025; lower middle-income economies are those with a GNI per capita between $1,176 and $4,635; upper middle-income economies are those with a GNI per capita between $4,636 and $14,375; high-income economies are those with more than a GNI per capita of $14,375.\n\nPlease note: Regions in this table include economies at all income levels. The term country, used interchangeably with economy, does not imply political independence but refers to any territory for which authorities report separate social or economic statistics. Click [here](https://datahelpdesk.worldbank.org/knowledgebase/articles/378834-how-does-the-world-bank-classify-countries) for information about how the World Bank classifies countries.", "type": "int", "datasetName": "World Bank's income classification", "updatePeriodDays": 365, "datasetVersion": "2026-07-01", "nonRedistributable": false, "display": {"name": "Lower-middle income"}, "schemaVersion": 2, "processingLevel": "major", "presentation": {"titlePublic": "Population of lower-middle-income countries", "attributionShort": "World Bank", "topicTagsLinks": ["Economic Growth"]}, "descriptionKey": ["The World Bank creates a yearly classification of countries by income, for all countries with population over 30,000.", "This classification stays the same throughout the World Bank's fiscal year (from July 1 to June 30) even if the income data for a country changes.", "Low-income countries are those with a gross national income (GNI) per capita of $1,175 or less in 2025.", "Lower-middle-income countries are those with a GNI per capita between $1,176 and $4,635 in 2025.", "Upper-middle-income countries are those with a GNI per capita between $4,636 and $14,375 in 2025.", "High-income countries are those with a GNI per capita of more than $14,375 in 2025.", "When the World Bank lacks recent income data for a country, it can leave that country temporarily unclassified. Venezuela had no classification from 2021 to 2024, and Ethiopia had none in 2024."], "dimensions": {"years": {"values": [{"id": 1987}, {"id": 1988}, {"id": 1989}, {"id": 1990}, {"id": 1991}, {"id": 1992}, {"id": 1993}, {"id": 1994}, {"id": 1995}, {"id": 1996}, {"id": 1997}, {"id": 1998}, {"id": 1999}, {"id": 2000}, {"id": 2001}, {"id": 2002}, {"id": 2003}, {"id": 2004}, {"id": 2005}, {"id": 2006}, {"id": 2007}, {"id": 2008}, {"id": 2009}, {"id": 2010}, {"id": 2011}, {"id": 2012}, {"id": 2013}, {"id": 2014}, {"id": 2015}, {"id": 2016}, {"id": 2017}, {"id": 2018}, {"id": 2019}, {"id": 2020}, {"id": 2021}, {"id": 2022}, {"id": 2023}, {"id": 2024}, {"id": 2025}]}, "entities": {"values": [{"id": 273, "name": "Africa", "code": "OWID_AFR"}, {"id": 275, "name": "Asia", "code": "OWID_ASI"}, {"id": 276, "name": "Europe", "code": "OWID_EUR"}, {"id": 294, "name": "North America", "code": "OWID_NAM"}, {"id": 277, "name": "Oceania", "code": "OWID_OCE"}, {"id": 295, "name": "South America", "code": "OWID_SAM"}, {"id": 355, "name": "World", "code": "OWID_WRL"}]}}, "origins": [{"id": 15615, "title": "Income Classifications", "description": "Every year, the World Bank Group classifies the world\u2019s economies into four income groups: low, lower-middle, upper-middle, and high. These classifications, updated each year on July 1, are based on the previous year\u2019s Gross National Income (GNI) per capita, expressed in U.S. dollars using the [Atlas method](https://datahelpdesk.worldbank.org/knowledgebase/articles/77933-what-is-the-world-bank-atlas-method).", "producer": "World Bank", "citationFull": "World Bank (2026). World Bank Country and Lending Groups.", "urlMain": "https://datahelpdesk.worldbank.org/knowledgebase/articles/906519-world-bank-country-and-lending-groups", "urlDownload": "https://ddh-openapi.worldbank.org/resources/DR0095334/download", "dateAccessed": "2026-07-01", "datePublished": "2026-07-01", "license": {"url": "https://www.worldbank.org/en/about/legal/terms-of-use-for-datasets", "name": "Creative Commons BY 4.0"}}, {"id": 14278, "title": "Population", "description": "Our World in Data builds and maintains a long-run dataset on population by country, region, and for the world, based on various sources.\n\nYou can find more information on these sources and how our time series is constructed on this page: https://ourworldindata.org/population-sources", "producer": "Various sources", "citationFull": "The long-run data on population is based on various sources, described on this page: https://ourworldindata.org/population-sources", "attribution": "Population based on various sources (2024)", "attributionShort": "Population", "urlMain": "https://ourworldindata.org/population-sources", "dateAccessed": "2026-03-31", "datePublished": "2024-07-15", "license": {"url": "https://creativecommons.org/licenses/by/4.0/", "name": "CC BY 4.0"}}]}