5 Countries that Spend the Most on Research and Development

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1. United States

R&D Expenditure as a percentage of GDP (2021): 3.46%

GDP (2021): $23.32 trillion

Estimated Absolute R&D Spending: $806.01 billion

The United States tops our list of the countries that spend the most on research and development. In 2021, the country had an R&D intensity of 3.46%. It spent $806 billion on R&D in 2021.

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