Many major expenses only shrink once you retire, but health care is hardly one of them.

U.S. households led by someone who is 65 or older spend an average of $6,700 a year on health care, according to the Bureau of Labor Statistics’ latest data on consumer spending, which covers July 2017 to June 2018.

That translates to 13.4% of all spending by senior households and makes health care the third-biggest spending category among senior households. Only housing and transportation account for bigger shares of their spending.

By comparison, all U.S. households spend an average of $4,924 a year on health care, which translates to 8.1% of spending across all households.

Following is a detailed look at how senior households’ medical spending breaks down.