Personal income tax as a share of GDP reached 9.20 % in 2011 in USA, according to the National Statistical Office. This is 13.0 % more than in the previous year.
Historically, personal income tax as a share of GDP in USA reached an all time high of 12.3 % in 2000 and an all time low of 8.14 % in 2009. When compared to USA's main peers, personal income tax as a share of GDP in Canada amounted to 11.1 % and 5.29 % in Japan in 2011.
USA has been ranked 13th within the group of 27 countries we follow in terms of personal income tax as a share of GDP, 5 places behind the position seen 10 years ago.
Personal income tax represented around 8.