Research and development expenditure, percent of GDP, 2018 - Country rankings:
The average for 2018 based on 72 countries was 1.17 percent.The highest value was in Israel: 4.95 percent and the lowest value was in Mauritania: 0.01 percent. The indicator is available from 1996 to 2018. Below is a chart for all countries where data are available.
Measure: percent; Source: The United Nations
* indicates monthly or quarterly data series