According to PeerReach, one-third or 32 per cent of the Saudi's online population are active monthly Twitter users.
However, countries such as India, Nigeria and Germany seem to have very little to tweet with only one per cent active Twitter users in each nation.
The study considers active Twitter users to be those who tweet, rather than Twitter's metric of those who log in to the service, 'Mashable' reported.
Interestingly, US, the home of the microblogging platform, ranks eighth on the list.
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Saudi and Indonesia are two countries known for the fact that most internet users don't have a PC, but access the internet through mobile.
"Our graph with Twitter penetration numbers clearly shows a number of green fields for Twitter. In big countries like Nigeria, Germany and India Twitter usage is still low," the study said.
China is not listed because Twitter is banned from China and therefore the Chinese microblogging platform Weibo has no competition.
The top ten countries with highest active monthly users of Twitter are: 1 Saudi Arabia, 2 Indonesia, 3 Spain, 4 Venezuela, 5 Argentina, 6 UK, 7 Netherlands, 8 US, 9 Japan and 10 Colombia.