Secondary education, teachers, gaps filled in Lower middle income
Lower middle income: Secondary education, teachers, gaps filled was 14.69 million in 2024. ◆ Volatile
Secondary education, teachers, gaps filled in Lower middle income, 1970–2024
Source: Statizoid (derived).
Analysis
The most recent figure for secondary education, teachers, gaps filled in Lower middle income is 14.69 million, measured in 2024. That is the highest value across all 55 years on record.
The figure is up 4.3% on the previous year and up 63.7% over ten years.
Over the whole period, secondary education, teachers, gaps filled in Lower middle income peaked at 14.69 million in 2024 and was at its lowest, 1.86 million, in 1971.
That places Lower middle income 7th out of 43 groups with data for 2024, putting it in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Secondary education, teachers, gaps filled in Lower middle income, year by year
| Year | Value | Change |
|---|---|---|
| 1970 | 4.13 million | — |
| 1971 | 1.86 million | -55.0% |
| 1972 | 1.95 million | +5.1% |
| 1973 | 2.04 million | +4.2% |
| 1974 | 4.33 million | +112.8% |
| 1975 | 2.16 million | -50.2% |
| 1976 | 2.24 million | +4.0% |
| 1977 | 2.31 million | +3.0% |
| 1978 | 2.40 million | +3.7% |
| 1979 | 4.28 million | +78.5% |
| 1980 | 2.60 million | -39.1% |
| 1981 | 2.65 million | +1.7% |
| 1982 | 2.83 million | +6.9% |
| 1983 | 3.01 million | +6.2% |
| 1984 | 3.16 million | +4.9% |
| 1985 | 4.34 million | +37.6% |
| 1986 | 3.37 million | -22.5% |
| 1987 | 3.50 million | +4.2% |
| 1988 | 3.63 million | +3.5% |
| 1989 | 3.65 million | +0.5% |
| 1990 | 4.56 million | +25.0% |
| 1991 | 4.64 million | +1.9% |
| 1992 | 4.69 million | +1.0% |
| 1993 | 4.43 million | -5.5% |
| 1994 | 4.52 million | +2.1% |
| 1995 | 4.58 million | +1.4% |
| 1996 | 4.68 million | +2.1% |
| 1997 | 4.80 million | +2.6% |
| 1998 | 4.90 million | +2.1% |
| 1999 | 4.77 million | -2.6% |
| 2000 | 4.95 million | +3.8% |
| 2001 | 5.11 million | +3.0% |
| 2002 | 5.39 million | +5.5% |
| 2003 | 5.67 million | +5.3% |
| 2004 | 5.82 million | +2.7% |
| 2005 | 6.27 million | +7.6% |
| 2006 | 6.51 million | +3.8% |
| 2007 | 6.93 million | +6.5% |
| 2008 | 7.50 million | +8.3% |
| 2009 | 7.87 million | +4.9% |
| 2010 | 8.27 million | +5.2% |
| 2011 | 8.79 million | +6.2% |
| 2012 | 9.05 million | +3.0% |
| 2013 | 8.66 million | -4.3% |
| 2014 | 8.98 million | +3.7% |
| 2015 | 9.24 million | +3.0% |
| 2016 | 9.88 million | +6.9% |
| 2017 | 10.21 million | +3.3% |
| 2018 | 10.31 million | +1.1% |
| 2019 | 11.98 million | +16.1% |
| 2020 | 12.73 million | +6.2% |
| 2021 | 13.04 million | +2.5% |
| 2022 | 13.51 million | +3.6% |
| 2023 | 14.09 million | +4.3% |
| 2024 | 14.69 million | +4.3% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 2.77 million | 1.86 million | 4.33 million | 10 |
| 1980s | 3.27 million | 2.60 million | 4.34 million | 10 |
| 1990s | 4.66 million | 4.43 million | 4.90 million | 10 |
| 2000s | 6.20 million | 4.95 million | 7.87 million | 10 |
| 2010s | 9.54 million | 8.27 million | 11.98 million | 10 |
| 2020s | 13.61 million | 12.73 million | 14.69 million | 5 |
Countries ranked near Lower middle income
More education data for Lower middle income
- Population ages 0-14 29.5% (2025)
- Primary education, teachers, gaps filled 11.30 million (2024)
- Population ages 15-64 64.5% (2025)
- School enrollment, primary 105.4% (2024)
- Primary education, teachers 11.30 million (2024)
- Primary education, teachers, per capita 0.0039 units per person (2024)
- Primary education, teachers, per unit of GDP 0 units per US$ of GDP (2024)
- School enrollment, primary, female 104.9% (2024)
- School enrollment, primary, male 105.8% (2024)
- Labor force, total, per capita 0.4088 units per person (2025)
Frequently asked questions
- What is secondary education, teachers, gaps filled in Lower middle income?
- Secondary education, teachers, gaps filled in Lower middle income was 14.69 million in 2024, according to Statizoid (derived).
- What is the highest secondary education, teachers, gaps filled recorded in Lower middle income?
- The highest recorded value was 14.69 million in 2024.
- What is the lowest secondary education, teachers, gaps filled recorded in Lower middle income?
- The lowest recorded value was 1.86 million in 1971.
- How does Lower middle income rank for secondary education, teachers, gaps filled?
- Lower middle income ranks 7th out of 43 groups with data for 2024.
- Is secondary education, teachers, gaps filled rising or falling in Lower middle income?
- Over the last ten years it is up 63.7%. The long-run trend across the full record is volatile.
- Where does this Lower 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.