According to the ADMA Digital Marketing Handbook 2011:
There are currently 34 million internet users in Indonesia, representing a 14% internet penetration rate.
By 2015, Indonesia’s internet penetration rate is expected to hit 37%.
Approximately 73% of the internet population in Indonesia is 34 years old or below.
Indonesia’s online population is fairly male dominated – only 36% of Internet users in Indonesia are women.