Workers in OECD countries paid just over a quarter of their gross wages in taxes on average in 2017, with just over half of countries seeing small increases in the personal average tax rate, according to the OECD report on Taxing Wages 2018 released on Thursday.
Taxing Wages 2018 showed that the “net personal average tax rate” -income tax and social security contributions paid by employees, minus any family benefits received, as a share of gross wages- was 25.5 pct across the OECD. This OECD-wide average rate, calculated for a single person with no children earning an average wage, has remained stable in recent years, but it covers country averages that range from below 15 pct in Chile, Korea and Mexico to over 35 pct in Belgium, Denmark and Germany.
Increases in the average personal tax rate in 20 of the OECD’s 35 member countries in 2017 were mainly due to wage increases that reduced the impact of tax-free allowances and credits. Average tax rates fell in 13 countries and were unchanged in two (Chile and Hungary). The biggest increases in the tax rate were in the Czech Republic (0.5 percentage points), Turkey (0.5 percentage points) and Mexico (0.4 percentage points), and the largest decreases were in Luxembourg (-2.0 percentage points), Finland (-0.6 percentage points) and Iceland (-0.5 percentage points).
The 2018 edition of Taxing Wages also looked at how tax systems affect the disposable income of households with children. It found that almost all OECD countries provide a reduced personal average tax rate for households with children relative to households at the same income level without children. This is due primarily to the provision of cash transfers to parents. If taxes and costs paid by employers are also considered, Taxing Wages 2018 finds that overall taxes on labour costs decreased on the average worker for the fourth consecutive year in 2017, due to lower employer social security contributions.
This so-called ‘tax wedge’ -total taxes on labour costs paid by employees and employers, minus family benefits, as a percentage of the labour cost to the employer- fell by 0.13 percentage points to stand at 35.9 pct of labour costs for the OECD area. The decline -largely due to big reductions in Finland, Hungary and Luxembourg-continues a decreasing trend since 2012 that partially reverses the increases that had been observed in the years immediately after the global economic crisis.