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Most countries have dramatically increased their investments in R&D over the past two decades, with OECD nation spending reaching a record high nearly $1,600 of gross domestic expenditure on R&D (GERD) per person in 2023 (PPP[1] converted), approximately triple the value recorded in 2000. Although the U.S.

With a GDP of over $23 trillion in 2021, the United States has the world's largest economy, according to the latest available data from the World Bank. Yet, the U.S. falls behind such countries as Israel and Korea when it comes to how much is spent on research and development (R&D) in proportion to GDP. For example, Israel and Korea spend 5.56% and 4.93% of their GDP on R&D compared to the U.S.’ 3.46%.