The line chart illustrates the proportion of migration in the UK, including immigration rate, emigration rate, as well as the net migration from 1999 to 2008.
It is clear that there is a constant trend between three factors. In general, the UK had a lot more people move in than move on. Besides, the net migration peaked in 2004 with 250.000 populations.
In 1999, there were about 450.000 immigrants, whereas the emigrants had just approximately 300.000. The proportion of net migration gained nearly 170.000 individuals, and remained stable until 2003. By the middle of 2004, the immigration number experienced a rapid increase, at roughly 600.000, while the emigration had a small change in amount, at only 350.000 people. At this time, net migration reached a peak with 250.000 people.
From 2004 to 2008, the volume of immigrants continued to witness a steady growth. On the contrary, the emigrant suffered a fluctuation in number. In 2007, the emigration rate fell suddenly by 320.000 people. Because of this trend, the net migration was also affected, rose enormously around 230.000 in 2007, before falling back to 170.000 at the end of this period.