His pioneering work spanned several decades, and focused on specific aspects of world politics, including: political demography; political development; and grand strategy.
en.wikipedia.org He has published on biotechnology, neurotechnology, risk analysis, demography, economics, and bioethics.
en.wikipedia.org Her research is interdisciplinary, and her research had an impact in economics, sociology, psychology, and demography, and within legal scholarship.
en.wikipedia.org He has conducted research in the fields of social statistics and population studies (demography).
en.wikipedia.org Existential threats essentially threaten the unity, demography and integrity of a nation-state.
en.wikipedia.org