📌 Record‑High Tax Revenues (2024)
- The OECD average tax-to-GDP ratio reached 34.1% in 2024, marking a 0.3 percentage point increase after two consecutive years of decline. [oecd.org]
- Among 36 OECD countries with preliminary data:
- Tax-to-GDP ratios ranged from 18.3% (Mexico) to 45.2% (Denmark). [oecd.org]
- Increases occurred in 22 countries, declines in 13, and one remained unchanged. [oecd.org]
🔧 Drivers Behind the Rise
- Social Security Contributions (SSCs):
- Grew as a share of GDP in 26 of 36 countries, notably fueling increases in Latvia (+2.4 p.p.) and Slovenia (+1.9 p.p.). [oecd.org]
- Personal Income Tax (PIT):
- Revenues increased in 28 of 36 countries, reflecting enhanced effective tax rates on labour. [oecd.org]
- Over the long term (2011–2023), PIT rose by 0.9 p.p. of GDP—over half of the total growth in tax revenue during that period (total increase of 1.8 p.p.). [oecd.org]
🧮 New Analytical Focus: PIT by Income Source
- For the first time, the report includes a Special Feature analyzing PIT revenue by source (employed labour, capital income, self-employment) across 29 OECD countries. [oecd.org]
- Employed‑labour income remains the dominant source of PIT revenue in 2023.
- However, between 2011 and 2023:
- The share of employed‑labour income in PIT declined.
- Shares from capital and self-employment income increased in many countries. [oecd.org]
đź“š About the Publication
- This edition continues the long-run series of tax data from 1965 to 2024.
- Offers internationally comparable and structured statistics on:
- Tax revenues by category (income, corporate, consumption, SSCs, etc.).
- Tax collection by government level (central, regional, local). [oecd.org], [oecd.org]
- Includes a conceptual framework to define what constitutes tax revenues. [oecd.org]
Source OECD
