He still is a Brazilian citizen[1], non-resident Brazilians don't pay any income tax as far as I know. [1]: http://www.bloomberg.com/news/2012-05-12/facebook-c

He still is a Brazilian citizen[1], non-resident Brazilians don't pay any income tax as far as I know. [1]: http://www.bloomberg.com/news/2012-05-12/facebook-co-founder-may-gain-choosing-singapore-over-u-s-.html http://www.bloomberg.com/news/2012-05-12/facebook-co-founder... EDIT: added "tax".