Former President Jimmy Carter has reached a historic new milestone.

As of Friday, Carter is 94 years and 172 days old — which makes him the  longest-living president  in U.S. history.

The title had previously been held by George H.W.

Bush, who  passed away  in November.

Carter, a Navy veteran, served as the nation's 39th president from 1977 to 1981.

During his  one term in office , Carter dealt with the energy shortage, created the Department of Education and established diplomatic relations with China.  In the more than 38 years since leaving the White House, he's founded The Carter Center to help promote human rights around the globe,  won the Nobel Peace Prize  and partnered with Habitat for Humanity.

And he still  teaches Sunday school  a couple times a month at a church in Georgia.

Carter also holds the record for having the  longest post-presidency  in U.S. history.  Additional reporting from  Newsy affiliate CNN .