You may want to take a look at an ebook that is available at Sinclair - the title is International Encyclopedia of Marriage and Familyand here is an example of a chapter on China from this book:
You can also search this title for other countries.
You may also want to look at the library's online subject on Country Information - https://libguides.sinclair.edu/countryinfo - This will provide you with links to the databases as well as authoritative websites.