The pie charts below show electricity generation by source in New Zealand in 1980 and 2010

The graph below shows the proportion of the population aged 65 and over between 1940 and 2040 in three different countries.

The bar chart below shows the employment of all workers by gender and occupation in the UK in the year 2005.

The chart below shows the amount of money per week spent on fast foods in Britain from 2000 to 2010.

The bar chart below shows shares of expenditure for five major categories in the United States, Canada, the United Kingdom, and Japan in the year 2009.

The chart shows the participation by young people in sports by gender in Great Britain in 1999.

The graph below shows the number of Asian elephants between 1994 and 2007

The table below gives information on consumer spending on different items in five different countries in 2002.

The line graph shows the information for Internet users as percentage of population in three countries from 1999 to 2009.