The graph below shows the percentage of 18-25 year olds in universities in four different countries. Summarise the information by selecting and reporting the main features and make comparisons where relevant.

The line graph is about the comparative percentage of 18-to 25-year-old university students in the four different countries namely Singapore, the Philippines, Thailand as well as Malaysia over a 50-year period since 1961. Overall, the level of young people going to universities in the Philippines was by far the highest portion over the first 30 years, then alternately surpassed by those of Singapore and Thailand, with the highest figures in 2011. Between 1961 and 1976, the graph for Filipino students leapt up to 45% from merely 30%. During the same period, the data on academic demand of the young in Singapore, Thailand and Malaysia also rose, standing at 22%, 10% and 7% respectively in 1976. However, after 2001, a significant climb can be seen for both students in Singapore and Thailand, overtaking the number of college students in the Philippines and reaching a peak of 60% in 2011. By 2011, the number of university students in the Philippines had dropped to around 40%, while that in Malaysia remained the least figures over the entire period, with the portion of a little more than 20% in 2011.