The provided line graph demonstrates data on the ratio of students aged between 18-25 year olds in universities of four distinct types of states over a 50-year period, starting from 1971.
At firts glance, it can be clearly seen that there were a substantial upsurge in all countries(Malaysia, Philippines, Thailand, and Singapore); however, Thailand and Singapore illustrate highest indicators compared to two other countries within the whole timespan, despite experiencing various fluctuations.
As is shown in the illustrations, firstly, Singapore, which stood at 15% in the first year, rised rapidly to 30% during a decade, and had undergone some oscillations between 25% and 35% by 2001, then it reached 40% in the end of the timefreme. Likewise, in therm of Thailand began with exactly a quarter in 1961 and had decreased by 10% over a three decade; notwithstanding, in 2011, a sharp upward trend was observed in the proportion of people, accounting for around 40%.
Turning to the other graphs, throughout a 30-year timespan, Philippines soared from 7% to 15%, and it remained unchanged during a last two decade. In terms of Malaysia, this trend reached the same point with Philippines in 1991, although started with 3% , and it had continued growth until the end, making up almost 20%.