1. Facebook usage in Thailand grew 35% over the past 6 months, with 12.8 million Thai users representing about 17% of the population. 2. The largest age group of Thai Facebook users are 18-24 year olds at 34% and there are slightly more female users at 52% of the Thai user base. 3. The top Facebook brands in Thailand in November 2011 were in the music, business, political and entertainment categories.