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Luxembourg counts 687,448 residents as of 2026. That is a 2.3-fold increase on the 296,570 recorded in 1950. It is growing modestly, at +0.99% a year, adding about 6.8K people a year. Settlement is fairly dense, at 265 people/km². Half the population is younger than 39.7 years, and the age structure is steadily tilting older: the median is projected to reach 45.6 by 2050. The sexes are close to evenly balanced, at 101 males per 100 females. By 2100, UN projections see it rising to 747,990, up +9% from 2026.
Total population
687,448
Density
265 people/km²
Median age
39.7 years
Growth rate
+0.99%
Luxembourg's population continues to grow, though at a moderate pace. The population is aging rapidly; median age will rise from 40 in 2026 to 46 by 2050.