The pie chart below shows the percentage of electricity which was produced by sources of fuel in particular country in the years 1990 and 2010. In general, the most significant changes shown on the chart are increasing o
The line graph illustartes the data about the percentage of the population in four asian nations living in cities for five decades from 1970 to 2020, and forecasting population for coming 20 years until 2040.
The bar chart compares the number of births per woman in six Gulf countries between 1990 and 2000. Overall, all these countries showed a decline. In addition, the fertility rate in Oman and Saudi Arabia was the largest t
The line graph illustrates the proportion of people living in urban areas in four Asian countries , Malaysia, the Philippines, Thailand, and Indonesia , between 1970 and 2020, with projections for 2030 and 2040.
The line graph gives information about the percentage of people using three different modes of transport (car, bus, and train) in a European city from 1990 to 2020.
The bar chart compares the estimated oil production levels in six countries—Saudi Arabia, Iran, Iraq, Kuwait, the UAE, and Qatar—across three years: 1990, 2000, and 2010. Oil production is measured in millions of barrels