Number of one-year-olds who are not vaccinated against diphtheria in Tanzania
Tanzania: Number of one-year-olds who are not vaccinated against diphtheria was 0 one-year-olds per US$ of GDP in 2023. ◆ Volatile
Number of one-year-olds who are not vaccinated against diphtheria in Tanzania, 1980–2023
Source: Statizoid (derived). Measured in one-year-olds per US$ of GDP.
Analysis
Tanzania recorded 0 one-year-olds per US$ of GDP for number of one-year-olds who are not vaccinated against diphtheria in 2023.
Compared with earlier readings it is up 27.9% on the previous year and up 42.5% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against diphtheria in Tanzania peaked at 0 one-year-olds per US$ of GDP in 1990 and was at its lowest, 0 one-year-olds per US$ of GDP, in 2014.
Tanzania ranks 23rd of 191 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, year by year
| Year | one-year-olds per US$ of GDP | Change |
|---|---|---|
| 1980 | 0 one-year-olds per US$ of GDP | — |
| 1981 | 0 one-year-olds per US$ of GDP | -2.5% |
| 1982 | 0 one-year-olds per US$ of GDP | +7.3% |
| 1983 | 0 one-year-olds per US$ of GDP | -2.7% |
| 1984 | 0 one-year-olds per US$ of GDP | -2.4% |
| 1985 | 0 one-year-olds per US$ of GDP | -32.5% |
| 1986 | 0 one-year-olds per US$ of GDP | +13.4% |
| 1987 | 0 one-year-olds per US$ of GDP | +13.8% |
| 1988 | 0 one-year-olds per US$ of GDP | -23.1% |
| 1989 | 0 one-year-olds per US$ of GDP | +81.1% |
| 1990 | 0 one-year-olds per US$ of GDP | +1.4% |
| 1991 | 0 one-year-olds per US$ of GDP | -24.6% |
| 1992 | 0 one-year-olds per US$ of GDP | -1.9% |
| 1993 | 0 one-year-olds per US$ of GDP | +10.3% |
| 1994 | 0 one-year-olds per US$ of GDP | -9.1% |
| 1995 | 0 one-year-olds per US$ of GDP | +4.8% |
| 1996 | 0 one-year-olds per US$ of GDP | -20.7% |
| 1997 | 0 one-year-olds per US$ of GDP | +2.0% |
| 1998 | 0 one-year-olds per US$ of GDP | -5.9% |
| 1999 | 0 one-year-olds per US$ of GDP | +12.4% |
| 2000 | 0 one-year-olds per US$ of GDP | -14.5% |
| 2001 | 0 one-year-olds per US$ of GDP | -37.4% |
| 2002 | 0 one-year-olds per US$ of GDP | -16.6% |
| 2003 | 0 one-year-olds per US$ of GDP | -56.6% |
| 2004 | 0 one-year-olds per US$ of GDP | -5.9% |
| 2005 | 0 one-year-olds per US$ of GDP | +88.0% |
| 2006 | 0 one-year-olds per US$ of GDP | +2.2% |
| 2007 | 0 one-year-olds per US$ of GDP | +48.5% |
| 2008 | 0 one-year-olds per US$ of GDP | -34.6% |
| 2009 | 0 one-year-olds per US$ of GDP | +3.2% |
| 2010 | 0 one-year-olds per US$ of GDP | -44.0% |
| 2011 | 0 one-year-olds per US$ of GDP | +4.5% |
| 2012 | 0 one-year-olds per US$ of GDP | -28.9% |
| 2013 | 0 one-year-olds per US$ of GDP | -0.0% |
| 2014 | 0 one-year-olds per US$ of GDP | -68.4% |
| 2015 | 0 one-year-olds per US$ of GDP | +45.8% |
| 2016 | 0 one-year-olds per US$ of GDP | +95.2% |
| 2017 | 0 one-year-olds per US$ of GDP | +19.9% |
| 2018 | 0 one-year-olds per US$ of GDP | +6.4% |
| 2019 | 0 one-year-olds per US$ of GDP | -21.3% |
| 2020 | 0 one-year-olds per US$ of GDP | -5.6% |
| 2021 | 0 one-year-olds per US$ of GDP | +48.3% |
| 2022 | 0 one-year-olds per US$ of GDP | -11.7% |
| 2023 | 0 one-year-olds per US$ of GDP | +27.9% |
Tanzania compared with similar countries
- Tanzania's 0 one-year-olds per US$ of GDP is above the median for lower middle income countries, which is 0 one-year-olds per US$ of GDP, 2.8× the median. (46 countries reporting)
- Tanzania's 0 one-year-olds per US$ of GDP is above the median for Sub-Saharan Africa, which is 0 one-year-olds per US$ of GDP, 1.5× the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0 one-year-olds per US$ of GDP | 0 one-year-olds per US$ of GDP | 0 one-year-olds per US$ of GDP | 10 |
| 1990s | 0 one-year-olds per US$ of GDP | 0 one-year-olds per US$ of GDP | 0 one-year-olds per US$ of GDP | 10 |
| 2000s | 0 one-year-olds per US$ of GDP | 0 one-year-olds per US$ of GDP | 0 one-year-olds per US$ of GDP | 10 |
| 2010s | 0 one-year-olds per US$ of GDP | 0 one-year-olds per US$ of GDP | 0 one-year-olds per US$ of GDP | 10 |
| 2020s | 0 one-year-olds per US$ of GDP | 0 one-year-olds per US$ of GDP | 0 one-year-olds per US$ of GDP | 4 |
Countries ranked near Tanzania
- 20 Haiti 0 one-year-olds per US$ of GDP compare
- 21 Gambia 0 one-year-olds per US$ of GDP compare
- 22 Papua New Guinea 0 one-year-olds per US$ of GDP compare
- 24 Nigeria 0 one-year-olds per US$ of GDP compare
- 25 Cameroon 0 one-year-olds per US$ of GDP compare
- 26 Malawi 0 one-year-olds per US$ of GDP compare
More health data for Tanzania
- 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?
- Number of one-year-olds who are not vaccinated against diphtheria in Tanzania was 0 one-year-olds per US$ of GDP in 2023, according to Statizoid (derived).
- What is the highest number of one-year-olds who are not vaccinated against diphtheria recorded in Tanzania?
- The highest recorded value was 0 one-year-olds per US$ of GDP in 1990.
- What is the lowest number of one-year-olds who are not vaccinated against diphtheria recorded in Tanzania?
- The lowest recorded value was 0 one-year-olds per US$ of GDP in 2014.
- How does Tanzania rank for number of one-year-olds who are not vaccinated against diphtheria?
- Tanzania ranks 23rd out of 191 countries with data for 2023.
- Is number of one-year-olds who are not vaccinated against diphtheria rising or falling in Tanzania?
- Over the last ten years it is up 42.5%. The long-run trend across the full record is volatile.
- Where does this Tanzania 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 unit of GDP. Statizoid updates them automatically from the source API.
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How this figure is calculated
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus ÷ GDP (current US$)
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
- GDP Country official statistics, National Statistical Organizations and/or Central Banks
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 GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.