Since 1990, the percentage of young people aged 15-29 has risen by 50% in Libya and Tunisia, 65% in Egypt and 125% in Yemen. Meanwhile Japan is moving in the other direction. By 2055, 41% of the Japanese population will be aged over 65 if current trends continue.

Sources: Middle East – Foreign Affairs, Japan – Reimagining Japan by Chandler, Chhor & Salsberg (Ed McKinsey & Company).