The most important trends during the first-half of 21st century, was breaking down of barriers between countries that otherwise hinder the exchange. Globalization basically means the increased integration across countries, of markets for goods and services and also capital. Regional Integration may be seen as a process has the primary goal of expanding exchange amongst nations. At the present time, it does not appear that any country can be able to increase the well-being of its people without being part of the global economy. While a few countries may not necessarily enter into regional partnerships, most must do so. This research provides a wider analysis into what countries can do to take the advantage of regional groupings in their effort to develop and prosper. This research project used secondary data only to arrive at results. It has five independent chapters under which a variety of concepts are discussed. The outcomes of this research filed reality that countries integrate mainly because of political, economic and social cultural factors but the economic aspect health outweighs the rest of the interests.