The majority of Jepara Regency's population in 2023 is of working age.

Jepara Regency's population by age group shows that 812,180 people (64.22%) are of working age, 296,070 (23.41%) are children, and the remaining 156,350 (12.36%) are senior citizens.

The population of Jepara Regency was recorded at 1.26 million in 2023. This represents an increase compared to previous years. However, the Compound Annual Growth Rate (CAGR) over the past five years was lower. The five-year growth rate was recorded at 0.38%.

Compared to other regions in Central Java Province, this regency/city ranks 12th in nominal terms, and 50th in terms of island ranking.

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

* Age 0-4 years: 90,990 people (7.19%)
* Age 5-9 years: 100,310 people (7.93%)
* Age 10-14 years: 104,770 people (8.29%)
* Age 15-19 years: 85,530 people (6.76%)

* Age 20-24 years: 102,430 people (8.1%)
* Age 25-29 years: 95,610 people (7.56%)
* Age 30-34 years: 94,190 people (7.45%)
* Age 35-39 years: 95,980 people (7.59%)
* Age 40-44 years: 99,900 people (7.9%)
* Age 45-49 years: 89,520 people (7.08%)
* Age 50-54 years: 81,830 people (6.47%)
* Age 55-59 years: 67,190 people (5.31%)
* Age 60-64 years: 55,670 people (4.4%)
* Age 65-69 years: 38,750 people (3.06%)
* Age 70-74 years: 27,030 people (2.14%)
* Age 75 years and over: 34,900 people (2.76%)