Washington, April 16 US President Barack Obama and first lady Michelle Obama paid more than $81,000 in taxes last year on reported adjusted gross income of $436,065, for an effective tax rate of 18.7 percent.

According to tax returns released Friday by the White House, Obamas paid $81,472 in total tax. Last year their effective tax rate was 19.6 percent, on income of $477,383, The Washington Times reported.

The president and first lady also donated $64,066 - or about 14.7 percent of their adjusted gross income - to 34 different charities.

The largest reported gift to charity was $9,066 to the Fisher House Foundation, an organisation based in Rockville, Maryland, that provides housing to families of military members and veterans receiving medical treatment.

Their next-largest charitable donations were $5,000 each to the Beau Biden Foundation, named after Vice President Joe Bidenâ€™s son who died of cancer last year, and to Sidwell Friends, the private school attended by their daughters.

Meanwhile, Vice President Biden and his wife, Jill, paid more than $91,500 in federal taxes last year on adjusted gross income of more than $392,000.

The Bidens reported $6,620 in donations to charity.

Obamas paid effective tax rate of 18.7 percent in 2015