highest marginal personal income tax rate in OECD countries, 2000 to 2016.
average and marginal employee Social Security and Medicare (FICA) tax rates for two-parent families of four at the same relative positions in the income distribution from 1955 to 2015.
HI revenue and tax rates as a percentage of OASDI from 1966 to 2015.
Capital gains and taxes for all positive gains and long-term gains from 1954 to 2014.
Marginal tax rates for the 400 individual income tax returns reporting the highest AGI each year.