he given pie charts indicate the percentage of various causes that contributed in immigration as well as emigration of people in year 2007 in U.K. The charts are composed of six main factors that lead to annual migration.

The pie charts are given representing data regarding the eminent reasons behind the movement of people in and out of the UK in the year 2007. At a glance, it is evident that the driving reason for such movement in that year was related to work or job opportunities and for education purposes, people emigrating out of the country had a smaller number. As we dive deeper into the statistics, the ratio of the "looking for work" section's share for immigration contributed to 30%, compared to just over a fifth of that for emigration. The people who migrated without stating a reason added to 14% and 11% respectively. Moreover, There was an approximate similarity in the numbers for a definite job. Another major factor influencing a move to the UK was for studies, with over a quarter of people immigrating. However, only 4% left for studying abroad. The proportions of these moving to join a family member were on par for both immigration and emigration, at 15% and 13% respectively.