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According to (Long term global demographic trends report, 2001, p5) Demographic trends largely contribute to the reshaping of the various interactions at the global scene. Demographic changes sever to create incentives that facilitate networking, creation of alliance between national and networks and networking of foreign policies of some of the worlds leading inflectional nations. It is expected that the population in the Europe as well as Russia which served as the focal point for most of the previous century’s (20th century) activities will considerably shrink. Current, population increase is concentrated in the developing world. This is the trend that is expected to prevail in the 21st century. In the mid 20th century the population or Russia and Europe stood at 22% of the total global population. This population has however reduced to 13% of the present total world population. If the current trend prevails, this population will occupy only 7.5% of the total world population by 2050. Also during the mid 20th century six out of the ten most populous countries in world were develop countries. Predicated future change however show that by 2020 on Russia and U.S. will appear on this list._x000D_
Another interesting statistic Asia and Africa are expected to lead in the population gain in the coming decade. The world is expected to gain 1.5 million people with Africa and Asia take the largest share of this increase. The world will have a reduced number Caucasians and most of the population will be urbanized._x000D_
These changes in population trends will also have numerous effects on the world politically, social and economically. Shift in political influence will certainly be unenviable. The world will be full of the aged people of 65 years and more. This cohort will triple in size and will occupy over 16 percent of the world population. On the other hand, developing countries will experience and increases in the number of the youths with Iraq, Saudi Arabia, Yemen, Afghanistan and Pakistan leading this pack._x000D_
National demographic trends. There are numerous changes that have occurred in the UK since the formation of the European Union. These demographic changes are easily notable through the various demographical variables namely gender, age, religion and disability.