How old was the youngest elected president when he took office?
42
58
61
58
61
58
61
58
62
61
58
62
61
63
58
62
61
35
63
58
69
35
62
61
63
58
57
69
35
109
62
61
63
58
66
50
57
35
69
30
59
109
50
62
61
35
63
58
66
18
57
30
69
78
50
35
59
109
62
18
30
61
63
58
66
89
57
50
69
35
18
30
56
59
109
62
61
63
58
78
66
50
57
35
18
69
30
56
79
68
109
50
62
29
61
35
63
58
66
28
89
48
18
57
30
56
65
59
69
50
29
35
28
109
62
48
18
30
61
63
58
56
65
78
66
79
37
57
50
69
29
35
28
89
48
18
68
30
56
65
59
109
62
37
61
63
58
50
40
57
29
35
28
48
18
69
30
56
65
78
66
38
79
37
20
68
17
50
62
40
29
61
35
63
58
28
89
48
18
57
30
45
56
65
59
109
38
34
37
20
69
17
71
50
40
29
35
28
76
62
48