63.35% of the Population of Lima Puluh Kota Regency in 2024 will be aged 15-59 years.

The majority of the population in this region, or approximately 63.35%, is of working age (15-59 years), totaling 253,910. According to a 2024 publication by the Central Bureau of Statistics (BPS), the number reached 253,910. The remaining population consists of those aged 0-14 years (children), approximately 21.69%, and 14.96% are in the elderly group (over 60 years old).

The population of Lima Puluh Kota Regency as recorded in 2024 was 400,800. This figure has increased for 16 consecutive years. Compared to the previous five years, the Compound Annual Growth Rate (CAGR) of this region is recorded as higher. The growth over the last five years was recorded at 1.1%.

Based on nominal figures compared to other regions in West Sumatra Province, this regency/city ranks seventh. When viewed by island, this regency/city ranks 54th.

The following is the population by age in Lima Puluh Kota Regency as of June 2024, sourced from a publication by the Central Bureau of Statistics (BPS):

* Age 0-4 years: 22,210 (5.54%)
* Age 5-9 years: 30,720 (7.66%)
* Age 10-14 years: 34,010 (8.48%)
* Age 15-19 years: 33,830 (8.44%)
* Age 20-24 years: 36,630 (9.14%)

* Age 25-29 years: 31,930 (7.97%)
* Age 30-34 years: 24,490 (6.11%)
* Age 35-39 years: 24,220 (6.04%)
* Age 40-44 years: 27,690 (6.91%)
* Age 45-49 years: 28,630 (7.14%)
* Age 50-54 years: 25,500 (6.36%)
* Age 55-59 years: 20,990 (5.24%)
* Age 60-64 years: 17,290 (4.31%)
* Age 65-69 years: 16,070 (4.01%)
* Age 70-74 years: 12,120 (3.02%)
* Age 75 years and over: 14,470 (3.61%)