Number of one-year-olds who are not vaccinated against diphtheria in Tanzania, United Republic of
Tanzania, United Republic of: Number of one-year-olds who are not vaccinated against diphtheria was 0.0056 one-year-olds per person in 2023. ◆ Volatile
Number of one-year-olds who are not vaccinated against diphtheria in Tanzania, United Republic of, 1980–2023
Source: Statizoid (derived). Measured in one-year-olds per person.
Analysis
Tanzania, United Republic of recorded 0.0056 one-year-olds per person for number of one-year-olds who are not vaccinated against diphtheria in 2023.
That represents a change of up 29.6% on the previous year and up 80.8% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against diphtheria in Tanzania, United Republic of peaked at 0.0201 one-year-olds per person in 1982 and was at its lowest, 0.001 one-year-olds per person, in 2014.
Tanzania, United Republic of ranks 34th of 192 countries on this measure, in the top quarter.
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 Tanzania, United Republic of, year by year
| Year | one-year-olds per person | Change |
|---|---|---|
| 1980 | 0.0167 one-year-olds per person | — |
| 1981 | 0.0183 one-year-olds per person | +9.1% |
| 1982 | 0.0201 one-year-olds per person | +10.2% |
| 1983 | 0.0191 one-year-olds per person | -5.0% |
| 1984 | 0.0166 one-year-olds per person | -13.3% |
| 1985 | 0.0129 one-year-olds per person | -22.4% |
| 1986 | 0.01 one-year-olds per person | -22.4% |
| 1987 | 0.0079 one-year-olds per person | -20.5% |
| 1988 | 0.0056 one-year-olds per person | -29.4% |
| 1989 | 0.0086 one-year-olds per person | +52.8% |
| 1990 | 0.0082 one-year-olds per person | -4.8% |
| 1991 | 0.007 one-year-olds per person | -14.5% |
| 1992 | 0.0062 one-year-olds per person | -11.2% |
| 1993 | 0.0061 one-year-olds per person | -1.1% |
| 1994 | 0.0057 one-year-olds per person | -7.4% |
| 1995 | 0.0067 one-year-olds per person | +18.3% |
| 1996 | 0.0065 one-year-olds per person | -3.8% |
| 1997 | 0.0076 one-year-olds per person | +18.3% |
| 1998 | 0.0076 one-year-olds per person | -0.0% |
| 1999 | 0.0087 one-year-olds per person | +14.2% |
| 2000 | 0.0076 one-year-olds per person | -12.5% |
| 2001 | 0.0047 one-year-olds per person | -38.2% |
| 2002 | 0.004 one-year-olds per person | -15.3% |
| 2003 | 0.0018 one-year-olds per person | -54.5% |
| 2004 | 0.0018 one-year-olds per person | +0.4% |
| 2005 | 0.0037 one-year-olds per person | +101.7% |
| 2006 | 0.0037 one-year-olds per person | +0.5% |
| 2007 | 0.0063 one-year-olds per person | +69.5% |
| 2008 | 0.0051 one-year-olds per person | -18.6% |
| 2009 | 0.0054 one-year-olds per person | +5.9% |
| 2010 | 0.0032 one-year-olds per person | -40.6% |
| 2011 | 0.0035 one-year-olds per person | +10.1% |
| 2012 | 0.0028 one-year-olds per person | -21.0% |
| 2013 | 0.0031 one-year-olds per person | +11.7% |
| 2014 | 0.001 one-year-olds per person | -66.5% |
| 2015 | 0.0014 one-year-olds per person | +33.8% |
| 2016 | 0.0028 one-year-olds per person | +98.0% |
| 2017 | 0.0034 one-year-olds per person | +24.1% |
| 2018 | 0.0038 one-year-olds per person | +10.3% |
| 2019 | 0.0031 one-year-olds per person | -18.2% |
| 2020 | 0.0031 one-year-olds per person | -0.8% |
| 2021 | 0.0047 one-year-olds per person | +53.9% |
| 2022 | 0.0044 one-year-olds per person | -8.1% |
| 2023 | 0.0056 one-year-olds per person | +29.6% |
Tanzania, United Republic of compared with similar countries
- Tanzania, United Republic of's 0.0056 one-year-olds per person is above the median for lower middle income countries, which is 0.0036 one-year-olds per person, 1.6× the median. (46 countries reporting)
- Tanzania, United Republic of's 0.0056 one-year-olds per person is above the median for Sub-Saharan Africa, which is 0.0048 one-year-olds per person, 1.2× the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.0136 one-year-olds per person | 0.0056 one-year-olds per person | 0.0201 one-year-olds per person | 10 |
| 1990s | 0.007 one-year-olds per person | 0.0057 one-year-olds per person | 0.0087 one-year-olds per person | 10 |
| 2000s | 0.0044 one-year-olds per person | 0.0018 one-year-olds per person | 0.0076 one-year-olds per person | 10 |
| 2010s | 0.0028 one-year-olds per person | 0.001 one-year-olds per person | 0.0038 one-year-olds per person | 10 |
| 2020s | 0.0044 one-year-olds per person | 0.0031 one-year-olds per person | 0.0056 one-year-olds per person | 4 |
Countries ranked near Tanzania, United Republic of
- 31 Côte d'Ivoire 0.0063 one-year-olds per person compare
- 32 Honduras 0.0058 one-year-olds per person compare
- 33 Paraguay 0.0057 one-year-olds per person compare
- 35 Djibouti 0.0056 one-year-olds per person compare
- 36 Niger 0.0055 one-year-olds per person compare
- 37 Lao People's Democratic Republic 0.0054 one-year-olds per person compare
More health data for Tanzania, United Republic of
- Un projection of annual infant deaths, annual growth rate -1.03 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.7342 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 658.6 deaths per 1,000 people (2090)
- Number of infants who die before age 1 32,514 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 13 (2025)
- Population ages 00-04, female, annual growth rate 1.86 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0.0001 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.0786 units per person (2025)
- Population ages 00-04, male, annual growth rate 1.89 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0.0001 units per US$ of GDP (2025)
Frequently asked questions
- What is number of one-year-olds who are not vaccinated against diphtheria in Tanzania, United Republic of?
- Number of one-year-olds who are not vaccinated against diphtheria in Tanzania, United Republic of was 0.0056 one-year-olds per person in 2023, according to Statizoid (derived).
- What is the highest number of one-year-olds who are not vaccinated against diphtheria recorded in Tanzania, United Republic of?
- The highest recorded value was 0.0201 one-year-olds per person in 1982.
- What is the lowest number of one-year-olds who are not vaccinated against diphtheria recorded in Tanzania, United Republic of?
- The lowest recorded value was 0.001 one-year-olds per person in 2014.
- How does Tanzania, United Republic of rank for number of one-year-olds who are not vaccinated against diphtheria?
- Tanzania, United Republic of ranks 34th out of 192 countries with data for 2023.
- Is number of one-year-olds who are not vaccinated against diphtheria rising or falling in Tanzania, United Republic of?
- Over the last ten years it is up 80.8%. The long-run trend across the full record is volatile.
- Where does this Tanzania, United Republic of 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 capita. Statizoid updates them automatically from the source API.
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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 Population, total, 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 ÷ Population, total
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
- Population, total World Population Prospects, United Nations (UN)
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 Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.