Water · Health The diagram below shows how a simple water filter is constructed and how it functions to produce clean drinking water. Employment The line graph shows the unemployment rates in three countries (the UK, the rest of Europe and Japan) between 1993 and 2007. Migration · Population · Urbanisation The Pie chart gives information about the country of birth of people living in Australia and the table shows where people born in these countries live Population The table below compares actual and predicted figures for populations in three different cities. Environment · Pollution The bar chart shows different methods of waste disposal in four cities; Toronto, Madrid, Kuala Lumpur and Amman. Income · Prices · Technology The graph shows Japanese average monthly salary (Yen) from 1953 to 1983, and the prices of black and white television and colour television during the same period. Housing · Construction The map shows the changes to a residence hall between 2010 and the present. Spending The pie charts below show the average household expenditures in a country in 1950 and 2010.