1. Introduction -- 2. The Postdiaspora Question -- 3. Crossborder Social Protection -- 4. Transnational Schooling -- 5. Extraterritorial Human Security -- 6. The Cosmonational State -- 7. The Postdiaspora Condition.This book aims to fill a void in the literature on the contributions of the state to the social protection, educational training, and human security of its overseas citizens. Additio…