income tax rates the US had in the 1950s Tax History income tax rates the US had in the 1950s Tax History income tax rates the US had in the 1950s income tax rates the US had in the 1950s much higher income tax rates the US had in the 1950s income tax rates the US had in the 1950s income tax rates the US had in the 1950s income tax rates the US had in the 1950s top rate the top rate peaked at 94% the lowest rate since 1931 income tax rates the US had in the 1950s income tax rates the US had in the 1950s income tax rates the US had in the 1950s income tax rates the US had in the 1950s Tax History income tax rates the US had in the 1950s According to the Bradford Institute, income tax rates the US had in the 1950s income tax rates the US had in the 1950s income tax rates the US had in the 1950s Tax History income tax rates the US had in the 1950s income tax rates the US had in the 1950s income tax rates the US had in the 1950s income tax rates the US had in the 1950s income tax rates the US had in the 1950s income tax rates the US had in the 1950s income tax rates the US had in the 1950s