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October 5, 2008    DOL Home > OASP > Chartbook of International Labor Comparisons > Share of labor costs taken by tax and social security contributions

Appendix - Definitions, Sources, and Methods

Share of labor costs taken by tax and social security contributions
(chart 4.3)

This series measures the difference between the salary cost of an average worker to their employer and the amount of disposable income (net wage) that they receive.  Labor costs are gross wages plus employer social security contributions and payroll taxes.  The taxes included are income taxes paid by the employee, employee social security contributions, employer social security contributions, and, where in effect, payroll taxes.  The types of taxes included in the measure are fully comparable across countries, as they are based on common definitions agreed upon by all OECD countries.

Because income taxes and access to work-related cash benefits vary by family status and in complex ways in nearly all countries, simple cross-country comparisons require a restriction to workers with a common family status.  The figures presented in chart 4.3 pertain to single persons without children at the income of the average worker.

The information on the average worker income level is supplied by the ministries of finance in all OECD countries and is based on national statistical surveys.  The amount of taxes paid by the worker is calculated by applying the tax laws of the country concerned.  Thus, the tax rates are the result of a modeling exercise rather than direct observation of taxes actually paid.

Source: OECD, Taxing Wages Database, <http://www.oecd.org>.


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