Question: who is the oldest president to be elected
Answer: 330900000000000 ♠ 9 years , 22 days ) 2018 - 02 - 11 7004261530000000000 ♠ 71 years , 220 days ( 26,153 days ) 44 Obama , Barack Barack Obama 000000001961 - 08 - 04 - 0000 Aug 4 , 1961 000000002009 - 01 - 20 - 0000 Jan 20 , 2009 7004173360000000000 ♠ 47 years , 169 days 000000002017 - 01 - 20 - 0000 Jan 20 , 2017 7004202580000000000 ♠ 55 years , 169 days 00 , 134387 387 days ( 7002387000000000000 ♠ 1 year , 22 days ) 2018 - 02 - 11 7004206450000000000 ♠ 56 years , 191 days ( 20,645 days ) 45 Trump , Donald Donald Trump 000000001946 - 06 - 14 - 0000 Jun 14 , 1946 000000002017 - 01 - 20 - 0000 Jan 20 , 2017 7004257880000000000 ♠ 70 years , 220 days 2018 - 02 - 11 7004288540000000000 ♠ 78 years , 364 days 24,878 2018 - 02 - 11 7004261750000000000 ♠ 71 years , 242 days ( 26,175 days ) # President Birth date Presidency start date Age at start date Presidency end date Age at end date Post-presidency timespan Death date Lifespan