Iran, Islamic Rep.'s prosperity gap (average shortfall from a prosperity standard of $28/day) was 3.3 in 2023, the latest year in the World Bank's World Development Indicators. That is down 2.94% from 3.4 in 2013 (0.3% a year on average, compounded).
Key figures
| Value | Year | |
|---|---|---|
| Latest | 3.3 | 2023 |
| Five years earlier | 3.6 | 2018 |
| Ten years earlier | 3.4 | 2013 |
| Highest | 6.5 | 1990 |
| Lowest | 3.3 | 2012 |
| Average since 2014 | 3.59 | 2014–2023 |
| First recorded | 6.4 | 1986 |
What the numbers say
In 2023, Iran, Islamic Rep.'s prosperity gap (average shortfall from a prosperity standard of $28/day) fell 2.9% on 2022 (from 3.4 to 3.3).
Across the 12 yearly changes before that (2006 to 2022), the average change was +0.1% and a typical year strayed about 5.2% from that (the standard deviation). This year's change was 0.6 standard deviations below that average, so it was an ordinary year: it sits within the range of normal year-to-year movement.
On record, the biggest yearly rise was 8.3% in 2019 and the biggest yearly fall was 8.1% in 2022. The numbers show how large and when, not why; for the cause, look at what happened in that country in those years.
From 2014 to 2023 there is no clear straight-line trend: a straight line explains less than 1% of the movement over 10 observed years, so the value is moving around more than it is heading anywhere.
Worked out from the yearly values above. How the checks work: standard deviation, z-scores and straight-line trends.
How it compares
In 2023, Iran, Islamic Rep. had the 4th highest value of the 33 economies reporting that year. Higher is not always better: for some indicators the lowest value is the one to aim for. See the full ranking.
| Value | Year | |
|---|---|---|
| Iran, Islamic Rep. | 3.3 | 2023 |
| World | 4.6 | 2024 |
| Upper middle income | 2.8 | 2024 |
Closest to Iran, Islamic Rep. in the 2023 ranking
- Uganda — 1st of 33: 12.1
- Philippines — 2nd of 33: 4.4
- El Salvador — 3rd of 33: 3.6
- Serbia — 5th of 33: 2
- Lithuania — 6th of 33: 1.6
- Slovak Republic — 7th of 33: 1.5
What this measures
The average shortfall from a prosperity standard of $28 per day (adjusted for differences in purchasing power parity across countries). It is measured as the average factor by which incomes fall short of $28.
Regional and income-group figures are computed by the World Bank as a population-weighted average.
All 20 values
| Year | Prosperity gap (average shortfall from a prosperity standard of $28/day) |
|---|---|
| 2023 | 3.3 |
| 2022 | 3.4 |
| 2021 | 3.7 |
| 2020 | 4 |
| 2019 | 3.9 |
| 2018 | 3.6 |
| 2017 | 3.4 |
| 2016 | 3.5 |
| 2015 | 3.5 |
| 2014 | 3.6 |
| 2013 |
Prosperity gap (average shortfall from a prosperity standard of $28/day) in nearby economies
- Egypt, Arab Rep. — 3.9 (2021)
- Israel — 1.2 (2022)
- Malta — 0.7 (2023)
- Pakistan — 7.2 (2024)
More poverty data for Iran, Islamic Rep.
- Income share held by second 20% — 11.7% (2023)
- Income share held by third 20% — 16% (2023)
- Income share held by fourth 20% — 22% (2023)
- Income share held by highest 20% — 43.3% (2023)
- Income share held by highest 10% — 28.2% (2023)
- Proportion of people living below 50 percent of median income (%) — 12.6% (2023)
- Income share held by lowest 10% — 2.8% (2023)
- Income share held by lowest 20% — 7% (2023)
- Poverty headcount ratio at $3.00 a day (2021 PPP) (% of population) — 2.5% (2023)
Reading data like this
Questions people ask
- What is Iran, Islamic Rep.'s prosperity gap (average shortfall from a prosperity standard of $28/day)?
- 3.3 in 2023, according to the World Bank (World Development Indicators).
- How has it changed since 1986?
- It is down 48.44% from 6.4 in 1986 (1.77% a year on average, compounded). The highest value was 6.5 in 1990 and the lowest 3.3 in 2012.
- How does Iran, Islamic Rep. rank?
- 4th highest of 33 economies with data for 2023.
- Is the latest change in prosperity gap (average shortfall from a prosperity standard of $28/day) unusual for Iran, Islamic Rep.?
Source
World Bank, World Development Indicators, indicator SI.SPR.PGAP, licensed CC BY 4.0. Original source: World Bank, Poverty and Inequality Platform. Data are based on primary household survey data obtained from government statistical agencies and World Bank country departments. Data for high-income economies are mostly from the Luxembourg Income Study database. Figures are fetched from the World Bank API and refreshed monthly; see the series on data.worldbank.org. The full definition and method are in the World Bank's metadata glossary. Comparisons use the same World Bank release.
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