Birth tourism
Some countries do not allow their citizens to renounce their citizenship or only if the citizenship was acquired by birth there to non-citizen parents. In Argentina, Brazil, Ecuador, Peru, and Uruguay, voting is compulsory for citizens. In Bolivia, Brazil, Chile, Colombia, Cuba, Guatemala, Paraguay, and Venezuela, military service is mandatory.
Uniformed and Overseas Citizens Absentee Voting Act
The Uniformed and Overseas Citizens Absentee Voting Act (UOCAVA), P.L. 99-410, , , , is a United States federal law dealing with elections and voting rights for United States citizens residing overseas. The act requires that all U.S. states, the District of Columbia, Puerto Rico, Guam, American Samoa, and the U.S. Virgin Islands allow certain U.S. citizens to register to vote and to vote by absentee ballot in federal elections. The act is Public Law 99-410 and was signed into law by President Ronald Reagan on August 28, 1986.