What is the highest number of adults with no formal education by region recorded in United States?

The highest recorded value was 4.41 million people in 1950.

What is the lowest number of adults with no formal education by region recorded in United States?

The lowest recorded value was 230,800 people in 2100.

How does United States rank for number of adults with no formal education by region?

United States ranks 48th out of 200 countries with data for 2100.

Is number of adults with no formal education by region rising or falling in United States?

Over the last ten years it is down 40.7%. The long-run trend across the full record is volatile.

Where does this United States data come from?

The figures come from Wittgenstein Centre (2024) – processed by Our World in Data, published as part of Number of adults with no formal education by region. Statizoid updates them automatically from the source API.

Number of adults with no formal education by region in United States

Name: Number of adults with no formal education by region in United States
Creator: Wittgenstein Centre (2024) – processed by Our World in Data
License: CC BY 4.0 (Our World in Data)

United States: Number of adults with no formal education by region was 230,800 people in 2100. ◆ Volatile

Latest (2100)

230,800 people

World rank

48th

of 200 countries

All-time high

4.41 million people

in 1950

All-time low

230,800 people

in 2100

Years of data

1950–2100

Number of adults with no formal education by region in United States, 1950–2100

Source: Wittgenstein Centre (2024) – processed by Our World in Data. Measured in people.

Analysis

The most recent figure for number of adults with no formal education by region in United States is 230,800 people, measured in 2100. That is the lowest value across all 31 years on record.

Compared with earlier readings it is down 40.7% over ten years.

Over the whole period, number of adults with no formal education by region in United States peaked at 4.41 million people in 1950 and was at its lowest, 230,800 people, in 2100.

United States ranks 48th of 200 countries on this measure, in the top quarter.

The series is highly variable year to year, so single readings are best treated with caution.

Averages by decade

Decade	Average	Lowest	Highest	Years
1950s	4.35 million people	4.30 million people	4.41 million people	2
1960s	4.12 million people	4.05 million people	4.19 million people	2
1970s	3.88 million people	3.85 million people	3.92 million people	2
1980s	3.72 million people	3.65 million people	3.78 million people	2
1990s	3.43 million people	3.37 million people	3.49 million people	2
2000s	3.09 million people	2.98 million people	3.19 million people	2
2010s	2.75 million people	2.66 million people	2.84 million people	2
2020s	2.40 million people	2.34 million people	2.45 million people	2
2030s	2.08 million people	2.00 million people	2.17 million people	2
2040s	1.75 million people	1.67 million people	1.83 million people	2
2050s	1.43 million people	1.35 million people	1.51 million people	2
2060s	1.12 million people	1.04 million people	1.20 million people	2
2070s	820,050 people	748,300 people	891,800 people	2
2080s	552,900 people	492,300 people	613,500 people	2
2090s	346,100 people	303,000 people	389,200 people	2
2100s	230,800 people	230,800 people	230,800 people	1

Countries ranked near United States

45 Eritrea 247,000 people compare
46 Papua New Guinea 233,300 people compare
47 Philippines 230,900 people compare
49 Liberia 230,300 people compare
50 Nepal 224,000 people compare
51 Uganda 221,700 people compare

See the full ranking of 200 places →

More education data for United States

Lower secondary school starting age 12 years (2025)
Primary school starting age 6 years (2025)
Population ages 0-14 17.1% (2025)
Population ages 15-64 64.5% (2025)
School enrollment, primary 97.0% (2022)
Primary education, teachers 1.78 million (2023)
School enrollment, primary, female 97.0% (2022)
School enrollment, primary, male 97.0% (2022)
Labor force, female 45.6% (2025)
Labor force, total 174.83 million (2025)

All data for United States →

Frequently asked questions

What is number of adults with no formal education by region in United States?: Number of adults with no formal education by region in United States was 230,800 people in 2100, according to Wittgenstein Centre (2024) – processed by Our World in Data.
What is the highest number of adults with no formal education by region recorded in United States?: The highest recorded value was 4.41 million people in 1950.
What is the lowest number of adults with no formal education by region recorded in United States?: The lowest recorded value was 230,800 people in 2100.
How does United States rank for number of adults with no formal education by region?: United States ranks 48th out of 200 countries with data for 2100.
Is number of adults with no formal education by region rising or falling in United States?: Over the last ten years it is down 40.7%. The long-run trend across the full record is volatile.
Where does this United States data come from?: The figures come from Wittgenstein Centre (2024) – processed by Our World in Data, published as part of Number of adults with no formal education by region. Statizoid updates them automatically from the source API.

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CSV · JSON — 31 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator: Number of adults with no formal education by region
Unit: people
Source: Wittgenstein Centre (2024) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 200 places, 6,005 data points, 1950–2100
Last refreshed: 06 August 2026

De facto population aged 15+ withno education in a country or region.