The table illustrates the figure for population growth, average birth per woman, and life expectancy at birth among different groups of countries in the years 2002 and 2004.
Overall, it can be seen that the data changed little between the two years. Also, population growth rate was the lowest and life expectancy at birth was the highest in low income countries, while the opposite was true for high income countries.
Regarding the rate of population growth, in 2002, low income countries ranked first with 2.0%, followed by middle income countries with 0.9%, and then high income countries with a slight figure of 0.8%. In the next phase, both high income and low income countries slightly decreased to 0.7% and 1.8%, respectively, whereas the remaining countries remained. For average birth per woman, there was a stability at 1.7 in high income countries in the period shown. Meanwhile, middle income and low income countries saw sligh declines from 2.2 to 2.1 and 3.9 to 3.7, in that order.
Turning to the remaining category, in 2002, high income countries was the most impressive, with the figure of 78.0, significantly over those in middle income countries (69.1) and those in low income countries (58.1). All nations experienced slight increases by approximately 1 age in 2004, with high income countries led, followed by middle income countries, and then low income countries.
