67.31% of Badung Regency's population in 2023 was aged 15-59 years.

The majority of the population in this region, or about 67.31%, are of productive age, namely 15-59 years old, totaling 356,900. According to a 2023 publication by the Central Bureau of Statistics (BPS), the number reached 356,900. The remaining population consists of those aged 0-14 years (children) at approximately 19.94% and 12.75% are in the elderly group aged over 60 years.

The population of Badung Regency was recorded at 530,230 as of 2023. This latest data shows a population increase. Compared to five years prior, the Compound Annual Growth Rate (CAGR) of this region is recorded as lower. The growth over the last five years is recorded at -3.8%.

In terms of nominal value compared to other regions in Bali Province, this regency/city is among the top five. When grouped by island, this regency/city ranks eighth.

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

* Age 0-4 years: 30,000 (5.66%)
* Age 5-9 years: 35,930 (6.78%)
* Age 10-14 years: 39,800 (7.51%)
* Age 15-19 years: 41,530 (7.83%)

* Age 20-24 years: 46,350 (8.74%)
* Age 25-29 years: 41,500 (7.83%)
* Age 30-34 years: 33,800 (6.37%)
* Age 35-39 years: 30,940 (5.83%)
* Age 40-44 years: 38,130 (7.19%)
* Age 45-49 years: 42,870 (8.09%)
* Age 50-54 years: 46,870 (8.84%)
* Age 55-59 years: 34,910 (6.58%)
* Age 60-64 years: 23,300 (4.39%)
* Age 65-69 years: 16,830 (3.17%)
* Age 70-74 years: 11,680 (2.20%)
* Age 75 years and older: 15,790 (2.98%)