How old in years was the oldest American president when he first assumed office?
78
61
58
62
61
58
62
61
69
58
62
61
69
58
62
61
76
69
58
63
62
66
61
89
109
76
69
78
58
63
79
62
66
61
89
71
76
69
58
65
63
109
78
79
62
66
61
65
76
69
58
57
89
77
63
71
62
61
65
109
76
69
78
79
58
66
89
65
57
62
61
77
63
61 years
71
109
69
78
58
65
76
79
67
68
62
66
61
59
65
69
58
57
89
77
63
71
50
78
62
61
65
109
76
69
79
67
58
69 years
68
66
50
62 years
65
37
78 years
57
62
61
66 years
59
89
77
63
71
50
69
58
56
65
37
109
76
78
61 years
67
68
62
66
61
50
58 years
56
65
69
35
79
37
58
57
59
89
77
71
63 years
50
62
61
56
65
63
35
37
76 years
109
69
78
73
67
58
66
50
56
65
76
45
35
79
37
57
68
62
61
59
89
71 years
71
69 years
50
62 years
58
56
65
77
45
63
35
37
66 years
109
69
78