Secondary education, teachers, gaps filled in Upper middle income
Upper middle income: Secondary education, teachers, gaps filled was 15.91 million in 2024. ▲ Rising
Secondary education, teachers, gaps filled in Upper middle income, 1970–2024
Source: Statizoid (derived).
Analysis
In 2024, secondary education, teachers, gaps filled in Upper middle income stood at 15.91 million. That is the highest value across all 55 years on record.
The figure is up 1.8% on the previous year and up 11.9% over ten years.
Over the whole period, secondary education, teachers, gaps filled in Upper middle income peaked at 15.91 million in 2024 and was at its lowest, 3.62 million, in 1971.
Upper middle income ranks 6th of 43 groups on this measure, in the top quarter.
The long-run direction has been consistently rising across the 55 years of available data.
Secondary education, teachers, gaps filled in Upper middle income, year by year
| Year | Value | Change |
|---|---|---|
| 1970 | 4.30 million | — |
| 1971 | 3.62 million | -15.6% |
| 1972 | 3.94 million | +8.6% |
| 1973 | 4.37 million | +11.1% |
| 1974 | 4.61 million | +5.5% |
| 1975 | 4.97 million | +7.8% |
| 1976 | 5.28 million | +6.2% |
| 1977 | 6.07 million | +15.0% |
| 1978 | 6.67 million | +9.8% |
| 1979 | 7.64 million | +14.6% |
| 1980 | 7.63 million | -0.2% |
| 1981 | 7.63 million | +0.0% |
| 1982 | 7.61 million | -0.4% |
| 1983 | 7.73 million | +1.6% |
| 1984 | 7.69 million | -0.5% |
| 1985 | 7.23 million | -6.0% |
| 1986 | 8.09 million | +11.9% |
| 1987 | 8.53 million | +5.4% |
| 1988 | 8.75 million | +2.6% |
| 1989 | 8.93 million | +2.0% |
| 1990 | 9.11 million | +2.0% |
| 1991 | 9.12 million | +0.2% |
| 1992 | 9.18 million | +0.6% |
| 1993 | 9.26 million | +0.9% |
| 1994 | 9.38 million | +1.3% |
| 1995 | 9.58 million | +2.1% |
| 1996 | 9.96 million | +4.0% |
| 1997 | 10.14 million | +1.9% |
| 1998 | 10.61 million | +4.6% |
| 1999 | 11.03 million | +4.0% |
| 2000 | 11.11 million | +0.7% |
| 2001 | 10.96 million | -1.3% |
| 2002 | 11.54 million | +5.2% |
| 2003 | 12.04 million | +4.4% |
| 2004 | 12.41 million | +3.1% |
| 2005 | 12.72 million | +2.5% |
| 2006 | 12.93 million | +1.6% |
| 2007 | 13.45 million | +4.1% |
| 2008 | 13.85 million | +2.9% |
| 2009 | 14.00 million | +1.1% |
| 2010 | 14.18 million | +1.3% |
| 2011 | 14.02 million | -1.1% |
| 2012 | 14.04 million | +0.2% |
| 2013 | 13.97 million | -0.5% |
| 2014 | 14.22 million | +1.8% |
| 2015 | 14.39 million | +1.2% |
| 2016 | 14.55 million | +1.1% |
| 2017 | 14.51 million | -0.3% |
| 2018 | 14.70 million | +1.3% |
| 2019 | 14.77 million | +0.5% |
| 2020 | 14.87 million | +0.6% |
| 2021 | 15.12 million | +1.7% |
| 2022 | 15.49 million | +2.5% |
| 2023 | 15.64 million | +1.0% |
| 2024 | 15.91 million | +1.8% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 5.15 million | 3.62 million | 7.64 million | 10 |
| 1980s | 7.98 million | 7.23 million | 8.93 million | 10 |
| 1990s | 9.74 million | 9.11 million | 11.03 million | 10 |
| 2000s | 12.50 million | 10.96 million | 14.00 million | 10 |
| 2010s | 14.33 million | 13.97 million | 14.77 million | 10 |
| 2020s | 15.40 million | 14.87 million | 15.91 million | 5 |
Countries ranked near Upper middle income
More education data for Upper middle income
- Population ages 15-64 68.5% (2025)
- Population ages 0-14 19.6% (2025)
- Primary education, teachers, gaps filled 13.41 million (2024)
- School enrollment, primary 100.7% (2024)
- Primary education, teachers, per capita 0.0044 units per person (2024)
- Primary education, teachers 13.41 million (2024)
- Primary education, teachers, per unit of GDP 0 units per US$ of GDP (2024)
- School enrollment, primary, female 100.7% (2024)
- School enrollment, primary, male 100.7% (2024)
- Labor force, total, per capita 0.4975 units per person (2025)
Frequently asked questions
- What is secondary education, teachers, gaps filled in Upper middle income?
- Secondary education, teachers, gaps filled in Upper middle income was 15.91 million in 2024, according to Statizoid (derived).
- What is the highest secondary education, teachers, gaps filled recorded in Upper middle income?
- The highest recorded value was 15.91 million in 2024.
- What is the lowest secondary education, teachers, gaps filled recorded in Upper middle income?
- The lowest recorded value was 3.62 million in 1971.
- How does Upper middle income rank for secondary education, teachers, gaps filled?
- Upper middle income ranks 6th out of 43 groups with data for 2024.
- Is secondary education, teachers, gaps filled rising or falling in Upper middle income?
- Over the last ten years it is up 11.9%. The long-run trend across the full record is rising.
- Where does this Upper middle income data come from?
- The figures come from Statizoid (derived), published as part of Secondary education, teachers, gaps filled. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 55 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
Secondary education, teachers with 719 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.
Computed from
- Secondary education, teachers Data API, UN Educational, Scientific and Cultural Organization (UNESCO)
Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.
About this data
Secondary education, teachers with 719 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.