The OECD has published its annual report on taxes on labor, finding that overall taxation has dropped for the third consecutive year in 2016. Key findings include:

• Across OECD countries, the average personal income tax (PIT) and social security contributions (SSCs) on employment incomes was 36.0% in 2016, a decrease of 0.07 percentage points relative to 2015.
• In 2016, the highest average tax w…