[] 0 Brazilian native
[] 1 naturalized Brazilian
[] 2 foreigner

Native-born Brazilian - For those who were born in Brazil or for those who, having been born in a foreign country, were registered as Brazilians pursuant to Brazilian law;
Naturalized Brazilian - for those who, having been born in a foreign country, obtained Brazilian citizenship by means of a naturalization process or otherwise pursuant to Brazilian law;
Foreigner - for those who were born outside Brazil and are not naturalized Brazilians.