Guess the age of "Tao"

The image look of "Tao" on and guess the age. Find out how well you can estimate the age?

How old is Tao?

Your assessment of the age: ?
Real age: 17

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1037 people have appreciated it.

Statistics on the age

Age	Number of votes
3		2
4		4
5		1
6		4
7		2
8		2
9		3
10		4
11		8
12		11
13		22
14		49
15		85
16		98
17		173
18		89
19		121
20		84
21		53
22		66
23		48
24		26
25		24
26		14
27		17
28		12
29		4
30		9
31		2

Average estimated age: 18.5 years