Start with high-confidence population & demographics books, then narrow by subgenre or adjacent topics.
Marriage Markets
June Carbone, Naomi Cahn
Coming Apart
Charles Murray
Shaping Our Nation
Michael Barone
The Death of the West
Patrick J. Buchanan
Millennials Rising
Neil Howe, William Strauss
The Aftermath
Philip Bump
Hollowing Out the Middle
Patrick J. Carr, Maria J. Kefalas
Empty Planet
Darrell Bricker, John Ibbitson
