We have determined the 20 Best Question and Answer Sites based on the of traffic each website receives. Here is our list of rankings for the Top 20 Most Visited Question and Answer Websites. Specifically rankings are based on the number of estimated unique visitors received . Our data for unique visitors is collected from several sources, which are updated yearly. Updated : 2021
1

Unique Visitors |
109400000.
Description
2

Unique Visitors |
76200000
Description
3

Unique Visitors |
54100000.
Description
4

Unique Visitors |
50200000.
Description
5

Unique Visitors |
16100000.
Description
6

Unique Visitors |
13700000.
Description
7

Unique Visitors |
12200000.
Description
8

Unique Visitors |
10700000
Description
9

Unique Visitors |
9300000
Description
10

Unique Visitors |
8900000
Description
11

Unique Visitors |
8800000
Description
12

Unique Visitors |
5900000.
Description
13

Unique Visitors |
5500000
Description
14

Unique Visitors |
5300000
Description
15

Unique Visitors |
5300000
Description
16

Unique Visitors |
5100000
Description
17

Unique Visitors |
5000000
Description
18

Unique Visitors |
4800000
Description
19

Unique Visitors |
4400000
Description
20

Unique Visitors |
4200000
Description