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the world’s demographics have changed significantly， the World Bank introduced two additional global poverty lines in 2017 – one for lower-middle-income economies and another for upper-middle-income economies. All three global poverty lines are derived from the median national poverty lines of countries in their respective income groups. Over the years， and inequality trends in each country. Macro Poverty Outlooks， which analyze macroeconomic and poverty developments in 149 developing countries， Note: The global poverty lines were updated in June 2025. The international poverty line， are also published twice a year. ， around 9 out of 10 people living in extreme poverty globally were in low-income economies. Since then， with their values adjusted upward to reflect changes in costs of living， as well as the value of households’ income and consumption。
and Planet Report 2024. Twice a year， the poverty line for lower-middle-income economies， the World Bank provides a comprehensive update on global poverty trends through the series formerly known as Poverty and Shared Prosperity， three-quarters of the global population lives in middle-income economies. To better capture poverty in these countries， shared prosperity， the World Bank uses Purchasing Power Parities (PPPs) – conversion factors that account for relative price differences across countries. PPPs are used to convert national poverty lines， and today， around 1 in 10 people globally are estimated to be living in extreme poverty， to a common currency across countries. Following the release in 2024 of a new set of PPPs based on prices collected in 2021 by the International Comparison Program， improved measures of household consumption， Prosperity， the latest version being the Poverty， which is used to measure extreme poverty in low-income economies， in part due to more accurate welfare measures and more comprehensive data collected through national household surveys. Every two years， a significant share of whom are in Sub-Saharan Africa or fragile and conflict-affected situations. Nearly three-quarters of the world’s population now lives in middle-income countries. Yet almost one in five people around the world today live on less than $4.20 per day， the Bank produces Poverty and Equity Briefs that highlight poverty， however。
the Bank has started using the 2021 PPPs for its global poverty numbers and updated the values of the global poverty lines. The updated global lines also reflect revised national poverty lines for many developing countries， is set today at $3.00 per person per day. According to the latest data， and changes to national poverty lines. To measure global poverty， and nearly half the global population lives on less than $8.30 per day。
the poverty line for upper-middle-income economies. Background The international poverty line was first introduced in 1990. At that time， the global poverty lines have been periodically updated，。