Iran · R&D Spending · % of GDP

## What this measures

Gross domestic expenditure on research and development in Iran, as a percentage of GDP, one value per year, dated December 31.

## Why it matters

R&D intensity is the standard measure of how much an economy invests in new technology and knowledge.

## How to read it

Higher means a larger share of output goes to research. UNESCO publishes with a lag of about two years.

## What it does not say

It measures spending, not results such as patents or products. Survey coverage of business R&D differs between countries.

## Source

UNESCO Institute for Statistics (UIS), via World Bank World Development Indicators, indicator `GB.XPD.RSDV.GD.ZS`. Licence per the World Bank's indicator metadata: CC BY 4.0. Attribution: World Bank WDI (CC BY 4.0), compiled from UNESCO Institute for Statistics data. Palanor reads it each month (/api/cron/worldbank-sync) and rewrites the history, so revisions carry through.