Politics and geopolitics

1. The aging electorate.
   1. Age distribution of voters.
   2. Spending priorities.
   3. Housing and asset politics.
   4. Intergenerational political conflict.
2. Immigration politics.
   1. Labor demand.
   2. Demographic replacement.
   3. Integration.
   4. Public attitudes and political backlash.
3. Shifting demographic weight.
   1. Europe.
   2. China.
   3. India.
   4. Africa.
   5. The United States.
4. Military power.
   1. Military-age populations.
   2. Recruitment.
   3. Defense spending in aging societies.
   4. Technology-intensive warfare.
5. Migration.
   1. Young countries and old countries.
   2. Competition for migrants.
   3. Brain drain.
   4. Diasporas and transnational families.