The provided line graph illustrates changes in the population density percentages of four Asian nations: Philippines, Malaysia, Thailand and Indonesia, spanning from 1970 to 2020 with prognosis for 2030 and 2040.
Overall, while it is clear that Malaysia is ahead of the rest of Asia in terms of expected growth rate by 2040, all countries are showing a steady demographic upward trend.
Starting from 1970, Philippines and Thailand have quite the same pattern of increasing urban population percentage of 17% and 11%. After that experiencing slight downfall in 9% and stagnation from 1990 to 2010 and 2020, accordingly. On the other hand, Malaysia and Indonesia also present similarities in the robust growth of over 25% as they faced it at nearly the same period of time with one decade difference: 1990 and 2000.
According to the predictions, Malaysia is expected to demonstrate the highest city population percentage by 2040, reaching approximately 85%. Indonesia goes along with it with around 65%, Philippines with 60% and Thailand with almost 50%.
In summary, all the listed countries are presumed to have a continuous growth in the percentage of the population during the following two decades.