The table shows information of the past and future prediction of population in various countries start in year 1990, 1993, 2000, 2020 to 2050.
To begin with, Australia in 1990 had 17,1 population and 3 years after in 1993 it seen a slightly upward to 17,7 and start to grow until 19,2 in 2000 and reach 22,7 in 2020. Though the prediction 3 decate after it shows to 26,0 population in Australia. Same as Canada, the table always illustrate an upward trend over the years, start in 1990 with 26,6 of population and rose to 28,5 in 1993. 7 years after there is a noticable amount with 31,0 and always climb until 2020 with 36,9. It predicted to have a 39,0 population in 2050.
On the other hand, New Zealand had the smallest amount of population between the other countries. However, it also experienced an upward trend, started in 1990 with 3,4 and 3 years after it showned a merely rise to 3,5. Jump to years 2020 the amount showned 4,3, the data steadily climb but it has a little amount, prediction for 3 decades after it will reach until 4,7. Differently, United States had a massive amount of population, it is even start at 249,9 total and rose to 258,2 3 years after, in 2000 it showned a slightly increase up to 275,1 and 2 decades after it growth dramatically to 320,6. Projected for 2050 the data amount will be sharply shoot up to 349,0 population.
In conclusion, all of the countries always have an upward trend, eventhough New Zealand had a small amount of data but it keep steadily climb. United States had a significantly number and keep increasing through the years.