Capital income is considered to be joint income of a married couple and cohabiting partners. TR is obliged to use those incomes for the calculation of pension rights. Half of the capital income of a married couple and cohabiting partners has an impact on the calculation of each individual.

An exception applies if the consensual cohabitation has lasted less than one year and the parties do not have a child together. In that case, it is possible to request a yearly adjustment for capital income.