Population of children under 18 in Hawaii

Change Indicator

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Why This Indicator Matters

Due to declining birth rates and the growing aging population, the number of children under 18 is a much smaller share of the population today than 100 years ago.1 This population is racially and ethnically diverse and has unique needs, including access to quality education and employment. The population of children under 18 is projected to remain at the current level over the next few decades.2

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Data Provided By

Definitions: Number of children under 18

Data Source:
For 2000 and 2010 data
Decennial Census Program Citation:
U.S. Census Bureau, Census 2000 Summary File 2, Matrices PCT3 and PCT4.
U.S. Census Bureau, Census 2010 Summary File 2, Tables PCT3 and PCT4.

For post-Decennial Census years (2011-2015) data
Population Estimates Program Citation:
Annual Estimates of the Resident Population for Selected Age Groups by Sex for the United States, States, Counties, and Puerto Rico Commonwealth and Municipios: April 1, 2010 to July 1, 2015.
Source: U.S. Census Bureau, Population Division (Release date: June 2016)

Technical Note:
The Population Estimates Program data are revised to reflect updated input data and new Census Bureau population controls. Population estimates for previous years change with the release of each new 5-year Census estimate.


1Child Trends. 2018. Number of Children. Retrieved January 2018 (https://www.childtrends.org/indicators/number-of-children). Annie E. Casey Foundation (AECF). 2019. “2019 Kids Count Data Book: State Trends in Child Well-being.” Available here: https://www.aecf.org/m/resourcedoc/aecf-2019kidscountdatabook-2019.pdf.

2 AECF. 2011. “The Changing Child Population of the United States: Analysis of Data from the 2010 Census.” KIDS COUNT Working Paper.