65.29% of the population of Banggai Kepulauan Regency in 2023 was aged 15-59 years.

The majority of the population in this region, or approximately 65.29%, are of productive age, namely 15-59 years old, totaling 83,462. According to a 2023 publication by the Central Bureau of Statistics (BPS), the number reached 83,462. The remaining population consists of those aged 0-14 years (children), approximately 24.82%, and 9.89% are the elderly group aged over 60 years.

The population of Banggai Kepulauan Regency was recorded at 127,830 as of 2023. Over the past 11 years, the population has continuously increased. Over the last five years, the Compound Annual Growth Rate (CAGR) of the population in this region was 1.68%. This growth is higher than the growth recorded in the previous five years, which was 0.66%.

In terms of nominal value compared to other regions in Central Sulawesi Province, this regency/city ranks 12th, while in terms of island ranking, it is 64th.

The following is the population by age in Banggai Kepulauan Regency as of December 2023, sourced from a publication by the Central Bureau of Statistics (BPS):

* Age 0-4 years: 8,920 (6.97%)
* Age 5-9 years: 11,190 (8.76%)
* Age 10-14 years: 11,620 (9.09%)
* Age 15-19 years: 11,540 (9.03%)

* Age 20-24 years: 12,500 (9.78%)
* Age 25-29 years: 9,590 (7.5%)
* Age 30-34 years: 8,780 (6.87%)
* Age 35-39 years: 8,910 (6.97%)
* Age 40-44 years: 9,820 (7.68%)
* Age 45-49 years: 8,660 (6.77%)
* Age 50-54 years: 7,630 (5.97%)
* Age 55-59 years: 6,030 (4.71%)
* Age 60-64 years: 4,450 (3.48%)
* Age 65-69 years: 3,380 (2.64%)
* Age 70-74 years: 2,130 (1.66%)
* Age 75 years and over: 2,690 (2.1%)