This book is written on the several aspects of Sociology Comparative sociology generally refers to sociological analysis that involves comparison of social processes between nation-states, or across different types of society. There are two main approaches to comparative sociology: some seek similarity across different countries and cultures whereas others seek variance. Comparative sociologists use statistical analysis, observation, social theory, interviews and other methods to study a range of topics, including migration and demographic trends, economics, poverty, race relations, economic trends etc.