This graph shows the growth of the population in Canada from 1978 to 2009. It is taken from the website about Statistics in Canada. There are three graphs in the chart. The green graph shows the total growth of the population, the black one deals ith the migrated people in Canada and the blue graph shows natural increase of the population. In 1988/89 there was an enormous growth. In the following years the total growth went down to about 250,000 in 1998/99. From that time on the Canadian population has been gradually growing again although the natural increase slows down. So we can say that the growth of the population in Canada is based on migration.