Table of Primate Life-Spans (After Jolly, 1972)
Species      
CEBUS (New World Monkey)
RHESUS (Old World Monkey)
GIBBON (Lesser Ape)
ORANG (Great Ape)
CHIMP (Great Ape)
GORILLA (Great Ape)
Homo Sapiens sapiens
Days Gestation
180
168
210
275
225
265
266
Total yrs 
30+
28+
29+
30+
40+
35+
70+
Sub Adult yrs
4.0
7.5
8.5
10.5
10.0
11.0
20?
Infancy yrs
0.5
1.5
2.0
3.5
3.0
3?
6?
% Subadult
13%
27%
29%
35%
25%
31%
29%
% Infancy
2%
5%
7%
12%
8%
9%
9%