Key observations

Sources: OECD Quarterly National Accounts (real GDP, seasonally adjusted) and IMF World Economic Outlook Database (April 2025 edition). Index constructed with Q1 2016 = 100 for each country. Quarterly data from OECD QNA where available; IMF WEO used for projections and gap-filling.
2025 values are IMF projections. Vertical dotted line marks Q1 2016 baseline. Chart shows quarterly data; hover to see exact index values.