in developing countries back to the contrary, is increasing more and more, especially during the time that has passed since the year 1993.There are 2493 was the rate of increase that is astounding, but since. 2543 (2000) was adding rate begins in Eastern European countries. Asia and Latin America, with the exception of multiple Po frika by world population growth on average over the past 10 years, are at 1.31% have developed international group rate is only 0.31 percent, while the rate of increase rate has caused Africa falling but still considered up to 2.31% (Memorial fair mind, 2547 (2004).), And can be seen from table 3-2 that countries from Africa, so stick to the most populous countries. The first 20 lots to 6 countries: Nigeria, Republic of the Congo Egypt Ethiopia Sudan Yu Kanda. As a small country with few natural resources, and the problem is simply the potential of human resources, too. There are also some countries of Asia, there is a very high increase rate, such as Pakistan, Bangladesh, Indonesia.
Changes to the human population in a way of dramatically increasing the number of this boost to seek more eating areas. Moreover, these countries are progressing in the direction of the relatively low technology. Therefore, the revenue has come from expanding the area to crop or animal is. That affect the environmental systems above.
From the phenomenon of population changes so if you consider the impact happened to society of different countries, they found that affect the structure of the population and the proportion between the working ages (19-60 years). (Childhood (0-19 years old) and old age (over 60 years) in a group of developed countries, are experiencing problems with a population that has more longevity because it advances the public health on global nutrition. While the baby's birth rate decreased, but in developing countries are not going to like this age in childhood as a dependency. The high birth rate because it