Secondary education, teachers, gaps filled in IDA blend
IDA blend: Secondary education, teachers, gaps filled was 3.65 million in 2023. ◆ Volatile
Secondary education, teachers, gaps filled in IDA blend, 1971–2023
Source: Statizoid (derived).
Analysis
The most recent figure for secondary education, teachers, gaps filled in IDA blend is 3.65 million, measured in 2023. That is the highest value across all 53 years on record.
The figure is up 11.2% on the previous year and up 96.8% over ten years.
Over the whole period, secondary education, teachers, gaps filled in IDA blend peaked at 3.65 million in 2023 and was at its lowest, 358,731, in 1971.
That places IDA blend 28th out of 43 groups with data for 2023, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Secondary education, teachers, gaps filled in IDA blend, year by year
| Year | Value | Change |
|---|---|---|
| 1971 | 358,731 | — |
| 1972 | 366,880 | +2.3% |
| 1973 | 374,804 | +2.2% |
| 1974 | 381,993 | +1.9% |
| 1975 | 393,818 | +3.1% |
| 1976 | 406,838 | +3.3% |
| 1977 | 414,222 | +1.8% |
| 1978 | 436,802 | +5.5% |
| 1979 | 442,012 | +1.2% |
| 1980 | 456,237 | +3.2% |
| 1981 | 425,395 | -6.8% |
| 1982 | 524,585 | +23.3% |
| 1983 | 554,890 | +5.8% |
| 1984 | 599,618 | +8.1% |
| 1985 | 610,058 | +1.7% |
| 1986 | 600,141 | -1.6% |
| 1987 | 681,043 | +13.5% |
| 1988 | 722,616 | +6.1% |
| 1989 | 712,921 | -1.3% |
| 1990 | 744,797 | +4.5% |
| 1991 | 792,524 | +6.4% |
| 1992 | 842,248 | +6.3% |
| 1993 | 859,727 | +2.1% |
| 1994 | 882,718 | +2.7% |
| 1995 | 874,941 | -0.9% |
| 1996 | 891,560 | +1.9% |
| 1997 | 883,478 | -0.9% |
| 1998 | 876,905 | -0.7% |
| 1999 | 856,650 | -2.3% |
| 2000 | 871,885 | +1.8% |
| 2001 | 904,350 | +3.7% |
| 2002 | 927,208 | +2.5% |
| 2003 | 966,574 | +4.2% |
| 2004 | 976,739 | +1.1% |
| 2005 | 1.04 million | +6.6% |
| 2006 | 1.03 million | -1.4% |
| 2007 | 1.05 million | +2.2% |
| 2008 | 1.19 million | +13.0% |
| 2009 | 1.27 million | +7.5% |
| 2010 | 1.35 million | +6.1% |
| 2011 | 1.63 million | +20.6% |
| 2012 | 1.57 million | -3.8% |
| 2013 | 1.85 million | +18.3% |
| 2014 | 1.93 million | +3.9% |
| 2015 | 2.06 million | +6.9% |
| 2016 | 2.00 million | -3.0% |
| 2017 | 2.14 million | +7.1% |
| 2018 | 2.24 million | +4.6% |
| 2019 | 2.41 million | +7.6% |
| 2020 | 2.62 million | +8.7% |
| 2021 | 2.86 million | +9.2% |
| 2022 | 3.28 million | +14.7% |
| 2023 | 3.65 million | +11.2% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 397,344 | 358,731 | 442,012 | 9 |
| 1980s | 588,750 | 425,395 | 722,616 | 10 |
| 1990s | 850,555 | 744,797 | 891,560 | 10 |
| 2000s | 1.02 million | 871,885 | 1.27 million | 10 |
| 2010s | 1.92 million | 1.35 million | 2.41 million | 10 |
| 2020s | 3.10 million | 2.62 million | 3.65 million | 4 |
Countries ranked near IDA blend
More education data for IDA blend
- Primary education, duration (years), annual growth rate 0 % change on previous year (2025)
- Primary education, pupils, per capita 0.1273 units per person (2024)
- Population ages 15-64 58.4% (2025)
- Primary education, pupils, per unit of GDP 0.0001 units per US$ of GDP (2024)
- Primary education, pupils, annual growth rate 1.41 % change on previous year (2024)
- Population ages 0-14 37.9% (2025)
- Secondary education, duration (years), annual growth rate 0 % change on previous year (2025)
- Primary education, pupils, gaps filled 86.20 million (2024)
- Primary education, teachers, gaps filled 2.26 million (2024)
- Secondary education, pupils, gaps filled 51.87 million (2024)
Frequently asked questions
- What is secondary education, teachers, gaps filled in IDA blend?
- Secondary education, teachers, gaps filled in IDA blend was 3.65 million in 2023, according to Statizoid (derived).
- What is the highest secondary education, teachers, gaps filled recorded in IDA blend?
- The highest recorded value was 3.65 million in 2023.
- What is the lowest secondary education, teachers, gaps filled recorded in IDA blend?
- The lowest recorded value was 358,731 in 1971.
- How does IDA blend rank for secondary education, teachers, gaps filled?
- IDA blend ranks 28th out of 43 groups with data for 2023.
- Is secondary education, teachers, gaps filled rising or falling in IDA blend?
- Over the last ten years it is up 96.8%. The long-run trend across the full record is volatile.
- Where does this IDA blend 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 — 53 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.