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El Salvador counts 6,391,253 residents as of 2026. That is a 2.9-fold increase on the 2,183,506 recorded in 1950. It is growing modestly, at +0.40% a year, adding about 25.3K people a year. Settlement is fairly dense, at 308 people/km². Half the population is younger than 28.4 years, and the age structure is steadily tilting older: the median is projected to reach 38.9 by 2050. Women outnumber men, at 90 males per 100 females. By 2100, UN projections see it falling to 5,073,225 (-21% from 2026).
Total population
6,391,253
Density
308 people/km²
Median age
28.4 years
Growth rate
+0.40%
El Salvador'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 aging rapidly; median age will rise from 28 in 2026 to 39 by 2050. UN projections show a decline to 5.1M by 2100.