The provided line graphs depict the estimation and prediction of world demographics from the US Census Bureau from 1950 to 2050. Overall, while the total amount of the world’s population is projected to increase thoroughly, the growth rate experienced an unstable trend, with the top rate in the year of 1980 and then predicted to decrease continuously throughout this period.
Regarding the world’s total population, it experienced a mild rise from 1950 to 1980, increasing from just under 3 billion to around 4 billion. Afterwards, this trend continues to surge up, reaching almost triple the total number stated in the previous trend at the end of the year 2050 – 10 billion.
In terms of growth rate, beginning at 1.5%, the growth figure has dropped slightly to 1.25% in 1960, then gone up by approximately 0.75% with a total rate of 2% in 1970. Between 1970 and 2025, this trend witnessed a reversal, dropping from 2% to 1% in the span of 50 years. From onwards, the rate is forecasted to remain decreasing until reaching the percentage of exactly 0.5% in 2050.
