Double blow for workers as inflation drives real wages down and labour taxes up

Temps de lecture: 4 min |April 26, 2023 à 7:33 AM

A new OECD report shows how high inflation led to rising effective tax rates in a majority of OECD countries in 2022, as rising nominal wages pushed workers into higher tax brackets and reduced eligibility for tax credits and cash benefits.

Taxes on labour increased in 2022 as rising nominal wages pushed workers into higher tax brackets and reduced their eligibility for tax credits and cash benefits, according to a new OECD report.

Taxing Wages 2023 also shows that while nominal wages increased, high inflation across the OECD caused wages to decline in real terms, resulting in a double blow for workers.

OCDE (2023), Taxing Wages 2023 : Indexation of Labour Taxation and Benefits in OECD Countries, Éditions OCDE, Paris, https://doi.org/10.1787/8c99fa4d-en.

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This annual publication provides details of taxes paid on wages in OECD countries. This year’s edition focuses on the impact of recent inflation on labour taxation in the OECD and how countries adjust their tax systems in response. For the year 2022, the report also examines personal income taxes and social security contributions paid by employees, social security contributions and payroll taxes paid by employers, and cash benefits received by workers. It illustrates how these taxes and benefits are calculated in each member country and examines how they impact household incomes. The results also enable quantitative cross-country comparisons of labour cost levels and the overall tax and benefit position of single persons and families on different levels of earnings. The publication shows average and marginal effective tax rates on labour costs for eight different household types, which vary by income level and household composition (single persons, single parents, one or two earner couples with or without children). The average tax rates measure the part of gross wage earnings or labour costs taken in tax and social security contributions, both before and after cash benefits, and the marginal tax rates the part of a small increase of gross earnings or labour costs that is paid in these levies.

In 2022, the largest tax wedges for this household type were observed in Belgium (53.0%), Germany (47.8%), France (47.0%), Austria (46.8%) and Italy (45.9%).
The personal average tax rate for this household type was 24.7% of gross wage earnings in 2022. Belgium had the highest rate, at 40.3%; Denmark, Germany and Lithuania were the only other countries with rates above 35%.

With inflation reaching its highest level in over 30 years in 2022, the new OECD analysis shows effective tax rates rose in a majority of OECD countries across a range of income levels and household types, with a significant increase for families with children, particularly at lower income levels.

Different approaches OECD countries take to indexing tax and benefit systems to inflation reveal that 17 OECD countries automatically adjust personal income tax systems in line with inflation, while the remaining 21 do so on a discretionary basis. Social security contributions and cash benefits are automatically adjusted in 21 and 19 countries, respectively. The report highlights that low-income households with children are most vulnerable to increases in their effective tax rates when tax and benefit systems are not fully adjusted for inflation.

The report focuses on cross-country comparison of the labour tax wedge – defined as total taxes on labour paid by both employees and employers, minus family benefits, as a percentage of labour costs. It looks at eight different household types, varying by income level and household composition. For a single worker earning the average wage, the tax wedge ranged from 53% in Belgium to 0% in Colombia in 2022, averaging 34.6% across the OECD as a whole.

On average across the OECD, the tax wedge for a single parent earning 67% of the average wage increased by 1.6 percentage points between 2021 and 2022 to 16.6%, the largest annual increase in the average tax wedge since 2000 for any of the eight household types covered by the report. For a one-earner couple earning the average wage with two children, the average tax wedge of 25.6% in 2022 reflected an increase of 1.1 percentage points from the previous year – the largest rise for this household type since 2000.

Taxing Wages 2023 enables cross-country comparisons of labour costs and the overall tax and benefit position across the OECD. It analyses income tax paid by employees, cash benefits received by in-work families and the associated social security contributions and payroll taxes made by employees and employers, which are key factors when individuals consider their employment options and businesses make hiring decisions.

Further information and individual country notes are available at: https://oe.cd/taxingwages.

Source : OECD, april 2023