A overview of using statistics and demographics in exporting. This information is taken from "A Basic Guide to Exporting" provided by the U.S. Commercial Service to assist U.S. companies in exporting.
Last Published: 10/20/2016
Statistical and Demographic Information
Current statistical and demographic information is easy to find and available from many sources.

USA Trade® Online (http://www.usatrade.census.gov)
Specific, up-to-date export information on more than 18,000 commodities worldwide. For a small subscription fee, you can access the latest official statistics on U.S. foreign trade.

Trade Stats Express (http://www.tse.export.gov
A comprehensive source for U.S. export and import data, both current and historical. Maintained by the U.S. Department of Commerce’s Office of Trade and Industry Information, it contains U.S. trade statistics by country and commodity classifications, state and metropolitan area export data, and trade and industry statistics.
 
The U.S. Commercial Service has regional services that will help you find buyers in multiple countries within the same geographic area. If you’re targeting Hong Kong, for example, why not stop in nearby Thailand or Singapore? 
United Nations Statistical Yearbook (http://www.unstats.un.org/unsd/syb)
One of the most complete statistical reference books available. It provides international trade information on products, including information on importing countries, which can be useful in assessing import competition. The Statistical Yearbook contains data on more than 550 commodities for more than 200 countries and territories on economic and social subjects, including population, agriculture, manufacturing, commodity, export–import trade, and many other areas.

The World Bank Atlas of Global Development (http://www.data.worldbank.org/products/atlas)
Demographics, gross domestic products, and average growth rates of countries around the world.

World Development Indicators (http://www.data.worldbank.org/products/wdi) An annual publication containing more than 800 economic, social, and other indicators for 159 economies, plus basic indicators for another 55 economies.

CIA World Fact Book (http://www.1.usa.gov/1tUj7vg)
Produced annually by the U.S. Central Intelligence Agency (CIA), the World Fact Book provides country-by-country data on demographics, the economy, communications, and defense. Also available in print at http://www.bookstore.gpo.gov.

International Monetary Fund (IMF) Data and Statistics (http://www.imf.org/external/data.htm) Exchange rates, money and banking, production, government finance, interest rates, and more.

Global Population Mapping and Spatial Analysis (http://www.1.usa.gov/1s4QBJ5) The U.S. Census Bureau collects and analyzes worldwide demographic data that can help exporters identify potential markets for their products. Information on each country—total population, fertility, and mortality rates; urban population; growth rate; and life expectancy—is updated every 2 years. The information also contains detailed demographic profiles of individual countries, including analyses of labor force structure and infant mortality.