What “extreme poverty” actually means
Published 6 November 2026
The World Bank’s headline for India is that extreme poverty fell from 27.1 percent to 2.6 percent. The line behind that headline is $3 a day. It is one of the most quoted numbers in the world, and one of the least understood. Here is what $3 a day actually means, what it buys, and why the line moved from $2.15 to $3.
A line, not a wage
The first thing to know is that $3 a day is a measure of consumption, not income. It is about what a household spends, not what it earns.
The World Bank counts a person as extremely poor if their household’s consumption spending falls below $3 a day. Consumption includes what the household buys and the value of what it receives for free, including food rations and other government transfers. A family that earns little but receives free grain can sit above the line, because the grain counts as consumption.
The line is per person per day. A family of five needs to spend $15 a day between them to sit above it. And it is a headcount: you are either below the line or above it. The line says nothing about how far below it someone is.
What $3 buys
Three dollars sounds small, but it is not three dollars at the airport exchange rate. The World Bank’s poverty lines are set in purchasing power parity (PPP) terms, which adjust for the fact that prices are lower in India than in the United States.
The PPP conversion factor for India in the 2021 revision of the International Comparison Program is 20.09 rupees per international dollar for private consumption. That means $3 a day is about 60 rupees a day per person in India. The companion lines work out the same way: $4.20 a day, the line for lower-middle-income countries, is about 85 rupees a day, and $8.30 a day, the line for upper-middle-income countries, is about 170 rupees a day.
What does 60 rupees a day buy? The line is the median of the national poverty lines of low-income countries, so it is meant to cover the bare minimum: enough food, basic clothing, and shelter in the poorest countries in the world. It is deliberately set at the floor. It is not a decent living, and it is not a comfortable living. It is the line below which a person is counted as extremely poor by the world’s lowest common standard.
Prices vary inside India, so 60 rupees goes further in a village than in a city. The line is a national average, and it will feel too low to anyone paying city rents and too high to no one. That is a limitation of any single national line, and it is worth remembering when the number is quoted.
Why the line moved
In June 2025, the World Bank raised the international poverty line from $2.15 to $3.00 a day. The method did not change. The prices did.
The Bank updates its poverty lines when the International Comparison Program publishes new price data. The 2021 PPPs, published in May 2024, replaced the 2017 PPPs. With new prices and better data on the cost of basic needs in low-income countries, the median national poverty line of those countries came out higher: $3.00 instead of $2.15. The companion lines moved the same way, from $3.65 to $4.20 for lower-middle-income countries and from $6.85 to $8.30 for upper-middle-income countries.
The effect on the global count was large. Using the new line, the number of people in extreme poverty in 2022 jumped by about 125 million, from roughly 713 million to about 838 million. Nobody’s income changed. Only the line did.
That is the point to carry with you. A poverty rate is not a fact of nature. It depends on where the line sits, and the line moves when prices are remeasured. Whenever you see a poverty figure, ask two questions: which line, and which PPP year. A number quoted without those two answers is not comparable with any other number.
The caveat, honestly
The $3 line is the lowest international standard, and it is a blunt tool. It counts a household as poor or not poor, and it says nothing about how poor. Two households can both sit below the line, one spending $2.90 a day and the other $0.50, and the headcount treats them the same.
It also counts consumption, not income and not wealth. A household that spends little because it grows its own food can look poor on this measure while feeding itself. A household that spends a lot on rent in a city can look less poor than it feels. And because free transfers count as consumption, a household kept afloat by rations can cross the line without its earnings rising at all. That is a real feature of the measure, and it is also the main criticism of it: the line can move without incomes moving.
None of that makes the line useless. It is the only poverty measure that is comparable across countries and across years, and that is why the World Bank uses it. But it is a floor, and a headcount, and a consumption measure. Read it as that, and it is honest. Read it as a verdict on how well people live, and it will mislead you.
Sources
- World Bank, Global Poverty Monitoring Technical Note 44, “June 2025 Update to the Poverty and Inequality Platform (PIP)” (June 2025). Adoption of 2021 PPPs; the three global poverty lines revised from $2.15 to $3.00, from $3.65 to $4.20, and from $6.85 to $8.30.
- World Bank, “June 2025 Global Poverty Update: 2021 PPPs” (Data Blog, June 2025). The $3.00 line replaces the $2.15 line; the method is unchanged; the 2022 global extreme-poverty count rose by about 125 million on the new line.
- World Bank, India Poverty and Equity Brief (October 2026). Extreme poverty ($3.00 a day, 2021 PPP) fell from 27.1 percent in 2011-12 to 2.6 percent in 2023-24; poverty at the $4.20 line fell from 57.7 percent to 16.1 percent.
- World Bank, “India: Trends in Poverty, 2011-12 to 2022-23” (May 2025). Extreme poverty ($2.15 a day, 2017 PPP) fell from 16.2 percent to 2.3 percent; at $3.00 (2021 PPP) it was 5.3 percent in 2022-23.
These sources are also listed on the Sources page.
Updated 9 November 2026