# R&D expenditure % GDP — IRN
> Latest: 0.73 % of GDP (2021). Change: -0.1 pp vs 2019.
- Unit: % of GDP
- Frequency: Annual · Coverage: 2001–2021
- Data updated: 2026-10-08
- Source: World Bank — GB.XPD.RSDV.GD.ZS — https://data.worldbank.org/indicator/GB.XPD.RSDV.GD.ZS
- License: CC BY 4.0
- Interactive chart: https://econdash.org/chart/r-and-d-expenditure-percent-gdp/IRN
## Recent values
| Year | Value |
| :--- | :--- |
| 2013 | 0.24 |
| 2015 | 0.39 |
| 2017 | 0.76 |
| 2019 | 0.79 |
| 2021 | 0.73 |
## How to cite
APA: World Bank. (2021). R&D expenditure % GDP — IRN [Data set]. Retrieved November 13, 2026, from EconDash: https://econdash.org/chart/r-and-d-expenditure-percent-gdp/IRN. Original source: https://data.worldbank.org/indicator/GB.XPD.RSDV.GD.ZS
## Full data
Full time series: https://econdash.org/docs/agent-payments (free API trial for core indicators of 10 major economies; otherwise an API key or pay per call)