63.86% of the population of West Coast Regency in 2024 will be aged 15-59 years.

The majority of the population in this region, or approximately 63.86%, is of working age (15-59 years), totaling 112,250 people. According to a 2024 publication by the Central Statistics Agency (BPS), this number reached 112,250. The remaining population consists of those aged 0-14 years (children), approximately 26.67%, and 9.46% are in the elderly group (over 60 years old).

The population of Pesisir Barat Regency was recorded at 175,770 as of 2024. Over the past ten years, the population has steadily increased. Compared to the previous five years, the Compound Annual Growth Rate (CAGR) for this region is higher. The growth rate over the last five years was recorded at 2.71%.

Compared to other districts/cities in Lampung Province, Pesisir Barat Regency ranks 15th in population. Nationally, considering all islands, it ranks 122nd.

The following is the population by age group in Pesisir Barat Regency as of June 2024, sourced from a publication by the Central Statistics Agency (BPS):

* Age 0-4 years: 12,600 people (7.17%)
* Age 5-9 years: 17,180 people (9.77%)
* Age 10-14 years: 17,110 people (9.73%)
* Age 15-19 years: 15,470 people (8.8%)
* Age 20-24 years: 14,560 people (8.28%)
* Age 25-29 years: 14,070 people (8%)
* Age 30-34 years: 13,200 people (7.51%)
* Age 35-39 years: 13,800 people (7.85%)
* Age 40-44 years: 12,710 people (7.23%)
* Age 45-49 years: 11,220 people (6.38%)
* Age 50-54 years: 9,220 people (5.24%)
* Age 55-59 years: 8,000 people (4.55%)
* Age 60-64 years: 6,390 people (3.63%)
* Age 65-69 years: 4,350 people (2.48%)
* Age 70-74 years: 2,920 people (1.66%)
* Age 75 years and older: 2,970 people (1.69%)