The charts illustrate the change in individual of Southern Pacific Ocean nations from 1950 and predictions to 2040.
Overall, all the number of population of these countries followed an upward trend and will continue rising in the future. In addition, urban population and people aged 15 to 65 contributed the biggest figures.
Regarding urban and countryside people trends, the total of population led significantly at 13 millions in 1950, followed by this of urban, at 5 millions. Over the next 70 years, these trends still increased gradually. In 2040, the total will peak at 44 millions people and the city population will be at 34 millions. The figures for rural individuals was the lowest, at 5 millions in 1950 and will slightly rise to 10 millions in 2040.
Turning to trends in age structure, the number of people aged 15 to 65 was the crowdest at 7 millions at 1950 and 28 millions at 2040. From 1950 to 2020, the figures for people under 15 years and over 65 years were both under 10 millions and it is projected that the number of the elderly will surpass this of people who is under 15 years, at 9 millions.