The line graph shows the percentage of a country’s population aged between 18 and 34 from 1978 to 2011, while the pie charts illustrate where people in this age group lived in 1978 and 2011.
Overall, the proportion of 18-34-year-olds increased slightly until 1992, reaching a peak of around 37%, before declining steadily to its lowest point in 2011. Meanwhile, there was a clear shift towards city living, whereas the share of young adults living in towns decreased considerably.
In 1978, approximately 34% of the population were aged between 18 and 34. This figure rose to about 36% in 1986 and then reached a peak of roughly 37% in 1992. After that, it fell to 33% in 1998, followed by further decreases to 31% in 2006 and 29% in 2011.
Regarding residential distribution, cities were home to 55% of this age group in 1978, compared with 20% in towns and 25% in rural areas. By 2011, the proportion living in cities had increased to 65%. In contrast, the figure for towns dropped sharply to just 5%, while rural areas experienced a moderate increase from 25% to 30%.