As of May 2026, the population of Saint Barthelemy is 11.1 thousand. The number of inhabitants has increased by 20 in the last year, representing a growth of 0.22%. The median age of the population has increased in recent years, rising from 37.2 years in 2016 to 41.5 years in 2026. Currently, life expectancy at birth is 81.4 years and population density is 503 inhabitants per square kilometer.
The population growth rate of Saint Barthelemy peaked in 1982, reaching around 8.97% annually, but has since declined to approximately 0.18% in 2026. The annual increase in the number of people has also decreased from a peak of around 287 in 1982 to nearly 20 in 2026.
In Saint Barthelemy, life expectancy at birth has been increasing, with the indicator rising from 77.9 years in 2006 to 81.4 years in 2026, representing an increase of almost 4 years over the past 2 decades.