A map of the world where many countries are coloured in grey and some are in orange-red colouring. The coloured countries mostly lie in Africa and Central America. The title reads: Populations younger than Wikipedia The subtitle reads: Today, Wikpedia turns 25 years. In some countries the median age is below 25 years. This means that in these countries at least half of the population is younger than Wikipedia. The darker the color, the lower the median age, down to an alarming 14.6 in Central African Republic. Nations in grey have a median age above 25. Data sources: UN, World Population Prospects (2024) – processed by Our World in Data