Number of one-year-olds who are not vaccinated against diphtheria in South Korea
South Korea: Number of one-year-olds who are not vaccinated against diphtheria was -3.14 % change on previous year in 2023. ◆ Volatile
Number of one-year-olds who are not vaccinated against diphtheria in South Korea, 1982–2023
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
The most recent figure for number of one-year-olds who are not vaccinated against diphtheria in South Korea is -3.14 % change on previous year, measured in 2023.
The figure is up 60.0% on the previous year and down 240.5% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against diphtheria in South Korea peaked at 875.13 % change on previous year in 1996 and was at its lowest, -85.75 % change on previous year, in 1995.
That places South Korea 116th out of 194 countries 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.
Number of one-year-olds who are not vaccinated against diphtheria in South Korea, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1982 | 1.46 % change on previous year | — |
| 1983 | -20.43 % change on previous year | -1498.4% |
| 1984 | -26 % change on previous year | +27.3% |
| 1985 | -7.46 % change on previous year | -71.3% |
| 1986 | -7.85 % change on previous year | +5.2% |
| 1987 | 79.2 % change on previous year | -1109.0% |
| 1988 | -0.1577 % change on previous year | -100.2% |
| 1989 | -73.92 % change on previous year | +46764.9% |
| 1990 | 136.5 % change on previous year | -284.7% |
| 1991 | -20.75 % change on previous year | -115.2% |
| 1992 | -23.23 % change on previous year | +12.0% |
| 1993 | -21.88 % change on previous year | -5.8% |
| 1994 | -40.45 % change on previous year | +84.9% |
| 1995 | -85.75 % change on previous year | +112.0% |
| 1996 | 875.13 % change on previous year | -1120.6% |
| 1997 | 95.01 % change on previous year | -89.1% |
| 1998 | 27.74 % change on previous year | -70.8% |
| 1999 | -47.61 % change on previous year | -271.6% |
| 2000 | -79.39 % change on previous year | +66.8% |
| 2001 | -1.87 % change on previous year | -97.6% |
| 2002 | -4.12 % change on previous year | +120.0% |
| 2003 | -9.2 % change on previous year | +123.2% |
| 2004 | 272.47 % change on previous year | -3061.1% |
| 2005 | -68.16 % change on previous year | -125.0% |
| 2006 | -52.82 % change on previous year | -22.5% |
| 2007 | 338.09 % change on previous year | -740.1% |
| 2008 | -32.44 % change on previous year | -109.6% |
| 2009 | 1.43 % change on previous year | -104.4% |
| 2010 | 2.39 % change on previous year | +67.5% |
| 2011 | -82.98 % change on previous year | -3574.2% |
| 2012 | -0.8182 % change on previous year | -99.0% |
| 2013 | -0.9225 % change on previous year | +12.8% |
| 2014 | -1.62 % change on previous year | +76.0% |
| 2015 | 94.2 % change on previous year | -5900.8% |
| 2016 | -1.7 % change on previous year | -101.8% |
| 2017 | 42.67 % change on previous year | -2615.0% |
| 2018 | -39.11 % change on previous year | -191.6% |
| 2019 | -8.56 % change on previous year | -78.1% |
| 2020 | -7.73 % change on previous year | -9.8% |
| 2021 | -9.57 % change on previous year | +23.8% |
| 2022 | -7.85 % change on previous year | -17.9% |
| 2023 | -3.14 % change on previous year | -60.0% |
South Korea compared with similar countries
- South Korea's -3.14 % change on previous year is below the median for high income countries, which is -0.4453 % change on previous year, 7.1× the median. (63 countries reporting)
- South Korea's -3.14 % change on previous year is below the median for East Asia & Pacific, which is -0.6561 % change on previous year, 4.8× the median. (30 countries reporting)
Biggest year-on-year movements
Years where Number of one-year-olds who are not vaccinated against diphtheria in South Korea changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1989 | -46764.9% | -0.1577 % change on previous year | -73.92 % change on previous year |
| 2015 | +5900.8% | -1.62 % change on previous year | 94.2 % change on previous year |
| 2011 | -3574.2% | 2.39 % change on previous year | -82.98 % change on previous year |
| 2004 | +3061.1% | -9.2 % change on previous year | 272.47 % change on previous year |
| 2017 | +2615.0% | -1.7 % change on previous year | 42.67 % change on previous year |
| 1983 | -1498.4% | 1.46 % change on previous year | -20.43 % change on previous year |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | -6.9 % change on previous year | -73.92 % change on previous year | 79.2 % change on previous year | 8 |
| 1990s | 89.47 % change on previous year | -85.75 % change on previous year | 875.13 % change on previous year | 10 |
| 2000s | 36.4 % change on previous year | -79.39 % change on previous year | 338.09 % change on previous year | 10 |
| 2010s | 0.3556 % change on previous year | -82.98 % change on previous year | 94.2 % change on previous year | 10 |
| 2020s | -7.07 % change on previous year | -9.57 % change on previous year | -3.14 % change on previous year | 4 |
Countries ranked near South Korea
- 113 Ecuador -2.22 % change on previous year compare
- 114 Thailand -2.28 % change on previous year compare
- 115 Maldives -2.63 % change on previous year compare
- 117 Niger -3.74 % change on previous year compare
- 118 Guinea -3.76 % change on previous year compare
- 119 Afghanistan -3.85 % change on previous year compare
More health data for South Korea
- Un projection of annual infant deaths, annual growth rate -1.43 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.1935 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 2,072 deaths per 1,000 people (2090)
- Number of infants who die before age 1 69 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 0 (2025)
- Population ages 00-04, female, annual growth rate -2.66 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.0118 units per person (2025)
- Population ages 00-04, male, annual growth rate -2.76 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0 units per US$ of GDP (2025)
Frequently asked questions
- What is number of one-year-olds who are not vaccinated against diphtheria in South Korea?
- Number of one-year-olds who are not vaccinated against diphtheria in South Korea was -3.14 % change on previous year in 2023, according to Statizoid (derived).
- What is the highest number of one-year-olds who are not vaccinated against diphtheria recorded in South Korea?
- The highest recorded value was 875.13 % change on previous year in 1996.
- What is the lowest number of one-year-olds who are not vaccinated against diphtheria recorded in South Korea?
- The lowest recorded value was -85.75 % change on previous year in 1995.
- How does South Korea rank for number of one-year-olds who are not vaccinated against diphtheria?
- South Korea ranks 116th out of 194 countries with data for 2023.
- Is number of one-year-olds who are not vaccinated against diphtheria rising or falling in South Korea?
- Over the last ten years it is down 240.5%. The long-run trend across the full record is volatile.
- Where does this South Korea data come from?
- The figures come from Statizoid (derived), published as part of Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus, annual growth rate. Statizoid updates them automatically from the source API.
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CSV · JSON — 42 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
The year-on-year percentage change in Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.
Computed from
- Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data
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
The year-on-year percentage change in Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.