65.85% of the population of Minahasa Tenggara Regency in 2023 was aged 15-59 years.

The population of Minahasa Tenggara Regency, categorized by age group, shows that 79,254 individuals (65.85%) are of productive age, 26,582 (22.09%) are children, and the remaining 12.06% or 14,515 are senior citizens.

The population of Minahasa Tenggara Regency was recorded at 119,640 as of June 2023. This figure is higher than in December 2021 and December 2019. Compared to the previous five years, the Compound Annual Growth Rate (CAGR) of this region is higher. The growth over the last five years was recorded at 2.51%.

Based on the total population of North Sulawesi Province, this regency ranks ninth. When grouped by island, it ranks 68th.

The following is the population by age group in Minahasa Tenggara Regency in June 2023, sourced from the Central Bureau of Statistics (BPS) publication:

* Age 0-4 years: 7,400 (6.18%)
* Age 5-9 years: 9,400 (7.86%)
* Age 10-14 years: 9,780 (8.18%)
* Age 15-19 years: 11,060 (9.25%)
* Age 20-24 years: 11,100 (9.28%)
* Age 25-29 years: 9,790 (8.18%)
* Age 30-34 years: 8,050 (6.73%)
* Age 35-39 years: 7,280 (6.09%)
* Age 40-44 years: 7,780 (6.5%)
* Age 45-49 years: 8,800 (7.36%)
* Age 50-54 years: 8,390 (7.01%)
* Age 55-59 years: 7,000 (5.86%)
* Age 60-64 years: 4,620 (3.86%)
* Age 65-69 years: 4,210 (3.52%)
* Age 70-74 years: 2,810 (2.35%)
* Age 75 years and over: 2,870 (2.4%)