Making a Difference

Publications of the Organization of Economic Cooperation and Development (OECD). Books, reports and data for every OECD country. Coverage from 1998 to present, with data sets back to the 1960s.

The World Population Policies Database, last updated in 2015, provides comprehensive and up-to-date information on the population policy situation and trends for all Member States and non-member States of the United Nations.

Climate and energy policies of Australia, Brazil, Canada, China, European Union, India, Japan, Mexico, South Africa, and South Korea.

From the World Health Organization.

Each country snapshot highlights issues that are pertinent to that particular country, be it smoking, obesity, surgical interventions, consumption of antibiotics, physicians density, prevalence of mental disorders, etc., with the help of key statistics and are followed by brief policy recommendations.

This Wikipedia page lists the most notable policy topics by country.