The RRSP annual limit for the current year is calculated as the lesser of 30% of the individual's earned income in the current year and the RRSP dollar limit established by the government for the current year. the lesser of 18% of the individual's earned income in the prior year and the RRSP dollar limit established by the government for the current year. the lesser of eligible contributions made to an RRSP during the calendar year and the RRSP dollar limit established by the government for the current year. the greater of 25% of the individual's earned income in the prior year and the RRSP dollar limit established by the government for the current year.