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By 2026, Réunion is projected to be home to 886,298 people. That is a 4-fold increase on the 249,214 recorded in 1950. It is growing modestly, at +0.45% a year, adding about 4K people a year. Settlement is fairly dense, at 355 people/km². Half the population is younger than 38.4 years, and the age structure is steadily tilting older: the median is projected to reach 41.5 by 2050. Women outnumber men, at 90 males per 100 females. By 2100, UN projections see it falling to 852,214 (-4% from 2026).
Total population
886,298
Density
355 people/km²
Median age
38.4 years
Growth rate
+0.45%
Réunion's population continues to grow, though at a moderate pace. The sex ratio of 90 males per 100 females is notably lower than the global average of ~101. The population is gradually aging, with median age projected to reach 42 by 2050 (up from 38 in 2026).