If we walk on the street in downtown of Vancouver, or take a look at the cafeteria of some colleges and universities, we will see a lot of people who are from other countries, such as China, Japan, Korea, Iran and Brazil. When we go to the Vancouver international airport, if some international flights from Asia have just arrived, we will see a big crowd of Asian coming out of the gates. Not only that, but there are lots of houses and business which belong to Chinese in North Burnaby and Richmond. As more and more immigrants come to Canada, TV is showing a higher frequency of foreign programs. Since the majority of the immigrants can make different kinds of contributions to Canada, the Canadian government should allow more and more foreigners to immigrate to Canada.

First of all, immigrants can change the structure of the age and increase the population of Canada. There are about 30 million people in Canada whose area is the second largest in the world. This number of population seems to be too small for this big country. In discussing the relationship of immigrants and population aging in Canada, Denton, Spencer and Feaver point out

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since the early 1970s, life expectancy has continued to rise, and the baby boomers are hitting middle age, and will start to retire in less than 20 years. Thus population and labour force growth rates are on long-run downward paths and the proportion of older people is projected to increase sharply in the next century¡± (39). It is easy to conclude from the above source that Canada have to change this situation which will decrease the population size.

The last, which is also the most important, reason of why the immigration department of Canada should allow more and more foreigners to immigrate to Canada is that immigrants can improve the economic situation of Canada. The essential part of a market is the population size. The best example to illustrate this is the market of China, which has such a big population that it attracts lots of corporations to invest in China. This is one of the most important reasons why China has

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