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People Statistics · Region

Children under 15 in Illinois

1990 – 2024 · 35 data points 28 of 51 · Regions of United States Updated Oct 21, 2026

Source: OECD Regional Database, 1990 – 2024

Children under 15, 1990 – 2024 percent · Illinois · United States · World
−2.0 pp since 2014
Illinois United States World

Sources: OECD Regional Database · World Bank — World Development Indicators, 1990 – 2024

Compared with Children under 15 · percent
Illinois
17.2%
World
24.4% · 2025

Sources: OECD Regional Database · World Bank — World Development Indicators

The series at a glance Illinois · 1990 – 2024
Latest value 17.2% · 2024
First value 21.6% · 1990
Highest 22.0% · 1996
Lowest 17.2% · 2024
Data points 35

By year

All years · 1990 – 2024

YearIllinoisChange United StatesWorld
2024 17.2% −0.3 pp 17.6% 24.7%
2023 17.5% −0.3 pp 17.8% 25.0%
2022 17.8% −0.3 pp 18.0% 25.3%
2021 18.1% −0.3 pp 18.3% 25.6%
2020 18.4% −0.4 pp 18.5% 25.8%
2019 18.8% +0.3 pp 18.5% 26.0%
2018 18.5% −0.2 pp 18.6% 26.2%
2017 18.7% −0.2 pp 18.8% 26.4%
2016 18.8% −0.2 pp 18.9% 26.5%
2015 19.0% −0.2 pp 19.0% 26.6%
2014 19.2% −0.2 pp 19.2% 26.8%
2013 19.4% −0.2 pp 19.3% 26.9%
2012 19.6% −0.2 pp 19.5% 27.0%
2011 19.8% −0.2 pp 19.6% 27.1%
2010 20.0% −0.2 pp 19.8% 27.3%
2009 20.2% −0.1 pp 19.9% 27.5%
2008 20.3% −0.2 pp 20.0% 27.6%
2007 20.5% −0.2 pp 20.1% 27.9%
2006 20.7% −0.2 pp 20.3% 28.1%
2005 20.9% −0.2 pp 20.5% 28.5%
2004 21.2% −0.2 pp 20.7% 28.8%
2003 21.4% −0.1 pp 20.9% 29.2%
2002 21.5% −0.1 pp 21.1% 29.6%
2001 21.6% −0.1 pp 21.2% 30.0%
2000 21.8% −0.1 pp 21.4% 30.4%
1999 21.9% −0.0 pp 21.5% 30.8%
1998 21.9% −0.1 pp 21.6% 31.1%
1997 22.0% −0.0 pp 21.7% 31.5%
1996 22.0% +0.0 pp 21.8% 31.8%
1995 22.0% +0.0 pp 21.9% 32.1%
1994 22.0% +0.1 pp 22.0% 32.3%
1993 21.9% ±0.0 pp 22.0% 32.5%
1992 21.9% +0.1 pp 21.9% 32.7%
1991 21.8% +0.2 pp 21.8% 32.9%
1990 21.6% 21.7% 33.0%

Sources: OECD Regional Database · World Bank — World Development Indicators, 1990 – 2024

Ranking · Regions of United States

2018 · Place 1 is the highest value.

#TerritoryChildren under 15
1 Utah 24.7%
2 Texas 21.5%
3 Idaho 21.2%
4 Alaska 21.1%
5 South Dakota 20.9%
6 Nebraska 20.7%
7 Oklahoma 20.3%
8 Kansas 20.2%
9 North Dakota 20.1%
10 Georgia 19.7%
11 Louisiana 19.7%
12 Mississippi 19.6%
13 Wyoming 19.5%
14 Arkansas 19.4%
15 Minnesota 19.4%
16 Indiana 19.4%
17 Iowa 19.3%
18 New Mexico 19.1%
19 Arizona 19.1%
20 Nevada 19.0%
21 California 19.0%
22 Kentucky 18.8%
23 Missouri 18.7%
24 Illinois 18.5%
25 Washington 18.5%
26 Alabama 18.4%
27 Colorado 18.4%
28 Tennessee 18.4%
29 Maryland 18.4%
30 Ohio 18.3%
31 North Carolina 18.3%
32 Virginia 18.3%
33 Wisconsin 18.1%
34 New Jersey 18.1%
35 South Carolina 18.1%
36 Hawaii 18.1%
37 Montana 18.0%
38 Michigan 17.8%
39 Delaware 17.5%
40 Oregon 17.4%
41 New York 17.3%
42 Pennsylvania 17.1%
43 Connecticut 16.7%
44 West Virginia 16.7%
45 Florida 16.5%
46 Massachusetts 16.3%
47 District of Columbia 15.9%
48 Rhode Island 15.9%
49 New Hampshire 15.5%
50 Maine 15.3%
51 Vermont 15.2%

Source: OECD Regional Database, 2018

What it means

The share of residents who are children.

How it is calculated

Residents aged 0–14 divided by the total population.