Puerto Rico population age distribution
A complete breakdown of Puerto Rico's age demographics from 0 to 85 years, distributed across 18 age groups is listed in the table below.
Age Group | Population | % of Total Population |
---|---|---|
Under 5 years | 122,415 | 3.7% |
5 to 9 years | 159,264 | 4.81% |
10 to 14 years | 193,155 | 5.83% |
15 to 19 years | 210,295 | 6.35% |
20 to 24 years | 227,033 | 6.86% |
25 to 29 years | 224,008 | 6.77% |
30 to 34 years | 195,204 | 5.9% |
35 to 39 years | 193,109 | 5.83% |
40 to 44 years | 210,449 | 6.36% |
45 to 49 years | 210,505 | 6.36% |
50 to 54 years | 220,146 | 6.65% |
55 to 59 years | 221,214 | 6.68% |
60 to 64 years | 220,552 | 6.66% |
65 to 69 years | 196,759 | 5.94% |
70 to 74 years | 181,478 | 5.48% |
75 to 79 years | 138,637 | 4.19% |
80 to 84 years | 98,160 | 2.96% |
85 years and over | 88,891 | 2.68% |
TABLE OF CONTENTS
Puerto Rico population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

The largest age group in Puerto Rico was for the group of age 20-24 years with a population of 227,033 (6.86%), according to the 2021 American Community Survey.
At the same time, the smallest age group in Puerto Rico was the 85+ years with a population of 88,891 (2.68%).
Puerto Rico population by age cohort
To better understand the age distribution of Puerto Rico's population, we divided it into the following 3 cohorts:
- Children : Under the age of 18 years
- Adults (working population): Between the age of 18 and 64 years
- Seniors: 65 years and above

Here's the population for each of the three cohorts.
Age Group | Population | % of Total Population |
---|---|---|
Under 18 years | 597,277 | 18.04% |
18 to 64 years | 2,010,072 | 60.7% |
85 years and over | 703,925 | 21.26% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Puerto Rico's population under 18 was 18.04%, compared to the 22.51% nationwide.
- Puerto Rico's working population (between 18 and 64) was 60.70%, compared to 61.45% nationwide.
- Puerto Rico's elderly or the senior population (over 65 age) was 21.26% as compared to 16.04% nationwide.
Puerto Rico population pyramid
Population pyramid for Puerto Rico is charted below using the estimates from U.S. Census Bureau's American Community Survey 5-Year estimates. A wide base suggests population increase, narrow base indicates declining birth rates.
Key stats from our analysis of the Puerto Rico's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Puerto Rico, is 22.3.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Puerto Rico, is 33.0.
- Total dependency ratio for Puerto Rico is 55.3.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Puerto Rico is 3.0.

Here's the Puerto Rico's male and female population across different age groups:
Age Group | Population(Male) | Population(Female) | Total Population |
---|---|---|---|
Under 5 years | 62,729 | 59,686 | 122,415 |
5 to 9 years | 80,995 | 78,269 | 159,264 |
10 to 14 years | 97,625 | 95,530 | 193,155 |
15 to 19 years | 108,437 | 101,858 | 210,295 |
20 to 24 years | 115,201 | 111,832 | 227,033 |
25 to 29 years | 111,493 | 112,515 | 224,008 |
30 to 34 years | 94,509 | 100,695 | 195,204 |
35 to 39 years | 90,676 | 102,433 | 193,109 |
40 to 44 years | 100,242 | 110,207 | 210,449 |
45 to 49 years | 99,600 | 110,905 | 210,505 |
50 to 54 years | 102,602 | 117,544 | 220,146 |
55 to 59 years | 102,088 | 119,126 | 221,214 |
60 to 64 years | 100,206 | 120,346 | 220,552 |
65 to 69 years | 90,432 | 106,327 | 196,759 |
70 to 74 years | 79,580 | 101,898 | 181,478 |
75 to 79 years | 59,832 | 78,805 | 138,637 |
80 to 84 years | 40,830 | 57,330 | 98,160 |
85 years and over | 34,784 | 54,107 | 88,891 |
Things to know
What is the population of Puerto Rico under 18?
Puerto Rico's population under the age of 18 is 597,277, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 18.04% of the total resident population of Puerto Rico.
What is the aging population in Puerto Rico?
Puerto Rico's population aged 65 years and above was 703,925. As per the U.S. Census Bureau's American Community Survey, this population is 21.26% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates