In 2003, the Social Security component of the Federal Insurance Contributions Act (FICA) was 6.2 percent of wages and salaries up to $87,000. After that amount, Social Security taxes were not collected, regardless of income. Because Social Security tax was capped in 2003, it was progressive up to $87,000. graduated up to $87,000. proportional up to $87,000. regressive up to $87,000.