Natural rate of population growth by continent 2014
The natural rate of population growth arises from the birth rate minus the death rate and without including the effects of migration.
Population growth
As shown in the statistic above, the natural rate of population growth continues to increase on almost every continent in 2013.
Due to medical advances, better living conditions and the increase of agricultural productivity the world population is continuously rising. The development of the world population from 1950 to 2030 is estimated to be tripled according to United Nations’ data.
The majority of the world population lives in Asia, but the population in Africa is forecasted to rise from 1,031 in year 2010 up to 4,185 in year 2100. This forecast is based on the rapid growth of the developing countries, such as Africa.
Developing countries are well known for its urban residents living in slum conditions. A slum is defined as a thickly populated, metropolitan area with bad living conditions and people living below the poverty line.
The urban population in developing countries, who lived in slums has increased steadily for the last decades. In 1990, around 656.7 million people were living in slums in developing countries, while this number rose to 827.7 million people living in slums of developing countries in 2010.
The number of people living in slums worldwide is estimated to grow from 1,145,984 in year 2010 to 1,477,291 in year 2020 by the UN-HABITAT.
In some countries the population living in slums grows faster than in others, naturally. The percentage of urban slum dwellers in Morocco for example nearly doubled from 13 percent to 24 percent between 2000 and 2010, while the same rate in Turkey only grew moderately from 13 to 18 percent.