Israel has the world's highest research and development (R&D) expenditure as a percentage of GDP. World Bank data shows that Israel's R&D budget (2005-2014) reached 4.21% of its Gross Domestic Product (GDP). This figure surpasses that of South Korea, Japan, and the United States.
South Korea ranks second with R&D expenditure reaching 4.15% of its GDP, followed by Japan at 3.47% of its GDP. The United States, a global technology leader, ranks 10th with R&D expenditure at 2.81% of its GDP.
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