A Pew Research Center study across 36 countries found that speaking the local language is the most widely accepted factor in ...

Large shares in many middle-income countries say following the historically predominant religion is key to "true" national ...

The U.S. and U.K. have debated the use of a smart card that contains biometrics such as iris or fingerprint data. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

And yet I’ve never understood this obsession with defining “national identity.” Any attempt to do so would only pit those who match any such definition against those who, in whatever way ...