[apendleton]

The article doesn't say he's establishing citizenship in Singapore; just residency. He presumably will remain a citizen of Brazil.

[GFischer]

Which also has military service (presumably obligatory, though in practice it hasn't been so for some time)

http://en.wikipedia.org/wiki/Military_service#Brazil

"While de jure all males are required to serve, numerous exceptions mean military service is de facto limited mostly to volunteers, with an average of between 5 and 10% of those reporting for duty actually being inducted"

[ashconnor]

That makes more sense.