How the Duopoly has strengthened its grip of the global advertising market
Facebook
Google
Everyone else
5%
14%
81%
2016
Total ($bn):
522
7%
16%
77%
2017
Total ($bn):
555
9%
18%
73%
2018
Total ($bn):
606
11%
19%
70%
2019
Total ($bn):
653
14%
21%
66%
2020
Total ($bn):
641
