Number of one-year-olds who are not vaccinated against diphtheria in Syria
Syria: Number of one-year-olds who are not vaccinated against diphtheria was 0.8835 one-year-olds per square kilometre in 2023. ◆ Volatile
Number of one-year-olds who are not vaccinated against diphtheria in Syria, 1980–2023
Source: Statizoid (derived). Measured in one-year-olds per square kilometre.
Analysis
The most recent figure for number of one-year-olds who are not vaccinated against diphtheria in Syria is 0.8835 one-year-olds per square kilometre, measured in 2023.
Compared with earlier readings it is down 11.8% on the previous year and down 40.4% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against diphtheria in Syria peaked at 1.73 one-year-olds per square kilometre in 1982 and was at its lowest, 0.1457 one-year-olds per square kilometre, in 1989.
Syria ranks 17th of 192 countries on this measure, in the top 10%.
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 Syria, year by year
| Year | one-year-olds per square kilometre | Change |
|---|---|---|
| 1980 | 1.7 one-year-olds per square kilometre | — |
| 1981 | 1.72 one-year-olds per square kilometre | +1.1% |
| 1982 | 1.73 one-year-olds per square kilometre | +0.6% |
| 1983 | 1.64 one-year-olds per square kilometre | -5.4% |
| 1984 | 1.6 one-year-olds per square kilometre | -2.5% |
| 1985 | 1.56 one-year-olds per square kilometre | -2.3% |
| 1986 | 0.3171 one-year-olds per square kilometre | -79.7% |
| 1987 | 1.35 one-year-olds per square kilometre | +326.7% |
| 1988 | 0.9797 one-year-olds per square kilometre | -27.6% |
| 1989 | 0.1457 one-year-olds per square kilometre | -85.1% |
| 1990 | 0.2205 one-year-olds per square kilometre | +51.4% |
| 1991 | 0.2714 one-year-olds per square kilometre | +23.0% |
| 1992 | 0.2732 one-year-olds per square kilometre | +0.7% |
| 1993 | 0.25 one-year-olds per square kilometre | -8.5% |
| 1994 | 0.2787 one-year-olds per square kilometre | +11.5% |
| 1995 | 0.2841 one-year-olds per square kilometre | +1.9% |
| 1996 | 0.3146 one-year-olds per square kilometre | +10.7% |
| 1997 | 0.3438 one-year-olds per square kilometre | +9.3% |
| 1998 | 0.3189 one-year-olds per square kilometre | -7.3% |
| 1999 | 0.3479 one-year-olds per square kilometre | +9.1% |
| 2000 | 0.3793 one-year-olds per square kilometre | +9.0% |
| 2001 | 0.4671 one-year-olds per square kilometre | +23.1% |
| 2002 | 0.3895 one-year-olds per square kilometre | -16.6% |
| 2003 | 0.4209 one-year-olds per square kilometre | +8.1% |
| 2004 | 0.4516 one-year-olds per square kilometre | +7.3% |
| 2005 | 0.4839 one-year-olds per square kilometre | +7.2% |
| 2006 | 0.5236 one-year-olds per square kilometre | +8.2% |
| 2007 | 0.5445 one-year-olds per square kilometre | +4.0% |
| 2008 | 0.6068 one-year-olds per square kilometre | +11.4% |
| 2009 | 0.6447 one-year-olds per square kilometre | +6.3% |
| 2010 | 0.6583 one-year-olds per square kilometre | +2.1% |
| 2011 | 0.9611 one-year-olds per square kilometre | +46.0% |
| 2012 | 1.42 one-year-olds per square kilometre | +47.8% |
| 2013 | 1.48 one-year-olds per square kilometre | +4.4% |
| 2014 | 1.3 one-year-olds per square kilometre | -12.3% |
| 2015 | 1.19 one-year-olds per square kilometre | -8.5% |
| 2016 | 1.01 one-year-olds per square kilometre | -15.1% |
| 2017 | 0.7971 one-year-olds per square kilometre | -21.1% |
| 2018 | 0.7975 one-year-olds per square kilometre | +0.0% |
| 2019 | 0.6721 one-year-olds per square kilometre | -15.7% |
| 2020 | 0.8106 one-year-olds per square kilometre | +20.6% |
| 2021 | 0.8916 one-year-olds per square kilometre | +10.0% |
| 2022 | 1 one-year-olds per square kilometre | +12.4% |
| 2023 | 0.8835 one-year-olds per square kilometre | -11.8% |
Syria compared with similar countries
- Syria's 0.8835 one-year-olds per square kilometre is above the median for low income countries, which is 0.4431 one-year-olds per square kilometre, 2.0× the median. (25 countries reporting)
- Syria's 0.8835 one-year-olds per square kilometre is above the median for Middle East, North Africa, Afghanistan & Pakistan, which is 0.1307 one-year-olds per square kilometre, 6.8× the median. (23 countries reporting)
Biggest year-on-year movements
Years where Number of one-year-olds who are not vaccinated against diphtheria in Syria 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 |
|---|---|---|---|
| 1987 | +326.7% | 0.3171 one-year-olds per square kilometre | 1.35 one-year-olds per square kilometre |
| 1989 | -85.1% | 0.9797 one-year-olds per square kilometre | 0.1457 one-year-olds per square kilometre |
| 1986 | -79.7% | 1.56 one-year-olds per square kilometre | 0.3171 one-year-olds per square kilometre |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 1.28 one-year-olds per square kilometre | 0.1457 one-year-olds per square kilometre | 1.73 one-year-olds per square kilometre | 10 |
| 1990s | 0.2903 one-year-olds per square kilometre | 0.2205 one-year-olds per square kilometre | 0.3479 one-year-olds per square kilometre | 10 |
| 2000s | 0.4912 one-year-olds per square kilometre | 0.3793 one-year-olds per square kilometre | 0.6447 one-year-olds per square kilometre | 10 |
| 2010s | 1.03 one-year-olds per square kilometre | 0.6583 one-year-olds per square kilometre | 1.48 one-year-olds per square kilometre | 10 |
| 2020s | 0.8969 one-year-olds per square kilometre | 0.8106 one-year-olds per square kilometre | 1 one-year-olds per square kilometre | 4 |
Countries ranked near Syria
- 14 Barbados 1.1 one-year-olds per square kilometre compare
- 15 Ethiopia 1.04 one-year-olds per square kilometre compare
- 16 Rwanda 0.9254 one-year-olds per square kilometre compare
- 18 Saint Lucia 0.8614 one-year-olds per square kilometre compare
- 19 Sao Tome and Principe 0.8465 one-year-olds per square kilometre compare
- 20 Afghanistan 0.8318 one-year-olds per square kilometre compare
More health data for Syria
- Un projection of annual infant deaths, annual growth rate -2.1 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.8632 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,122 deaths per 1,000 people (2090)
- Number of infants who die before age 1 1,491 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 2 (2025)
- Population ages 00-04, female, annual growth rate 7.54 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0 units per US$ of GDP (2022)
- Population ages 00-04, female, per capita 0.0503 units per person (2025)
- Population ages 00-04, male, annual growth rate 7.65 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0 units per US$ of GDP (2022)
Frequently asked questions
- What is number of one-year-olds who are not vaccinated against diphtheria in Syria?
- Number of one-year-olds who are not vaccinated against diphtheria in Syria was 0.8835 one-year-olds per square kilometre in 2023, according to Statizoid (derived).
- What is the highest number of one-year-olds who are not vaccinated against diphtheria recorded in Syria?
- The highest recorded value was 1.73 one-year-olds per square kilometre in 1982.
- What is the lowest number of one-year-olds who are not vaccinated against diphtheria recorded in Syria?
- The lowest recorded value was 0.1457 one-year-olds per square kilometre in 1989.
- How does Syria rank for number of one-year-olds who are not vaccinated against diphtheria?
- Syria ranks 17th out of 192 countries with data for 2023.
- Is number of one-year-olds who are not vaccinated against diphtheria rising or falling in Syria?
- Over the last ten years it is down 40.4%. The long-run trend across the full record is volatile.
- Where does this Syria 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, per square kilometre. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 44 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus ÷ Land area (sq. km)
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
- Land area FAOSTAT, Food and Agriculture Organization of the United Nations (FAO)
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
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.