Number of one-year-olds who are not vaccinated against diphtheria in Guinea-Bissau
Guinea-Bissau: Number of one-year-olds who are not vaccinated against diphtheria was 0.0073 one-year-olds per person in 2023. ◆ Volatile
Number of one-year-olds who are not vaccinated against diphtheria in Guinea-Bissau, 1983–2023
Source: Statizoid (derived). Measured in one-year-olds per person.
Analysis
In 2023, number of one-year-olds who are not vaccinated against diphtheria in Guinea-Bissau stood at 0.0073 one-year-olds per person.
That represents a change of down 1.3% on the previous year and up 67.4% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against diphtheria in Guinea-Bissau peaked at 0.0358 one-year-olds per person in 1983 and was at its lowest, 0.0044 one-year-olds per person, in 2013.
That places Guinea-Bissau 22nd out of 192 countries with data for 2023, putting it 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 Guinea-Bissau, year by year
| Year | one-year-olds per person | Change |
|---|---|---|
| 1983 | 0.0358 one-year-olds per person | — |
| 1984 | 0.0323 one-year-olds per person | -9.8% |
| 1985 | 0.0322 one-year-olds per person | -0.2% |
| 1986 | 0.0207 one-year-olds per person | -35.6% |
| 1987 | 0.0175 one-year-olds per person | -15.6% |
| 1988 | 0.0131 one-year-olds per person | -24.9% |
| 1989 | 0.0177 one-year-olds per person | +34.5% |
| 1990 | 0.0149 one-year-olds per person | -15.6% |
| 1991 | 0.014 one-year-olds per person | -6.4% |
| 1992 | 0.0123 one-year-olds per person | -12.0% |
| 1993 | 0.0138 one-year-olds per person | +12.0% |
| 1994 | 0.0097 one-year-olds per person | -29.7% |
| 1995 | 0.0204 one-year-olds per person | +111.1% |
| 1996 | 0.0174 one-year-olds per person | -14.9% |
| 1997 | 0.0136 one-year-olds per person | -21.8% |
| 1998 | 0.0168 one-year-olds per person | +23.7% |
| 1999 | 0.02 one-year-olds per person | +19.1% |
| 2000 | 0.0184 one-year-olds per person | -7.9% |
| 2001 | 0.0169 one-year-olds per person | -8.5% |
| 2002 | 0.0153 one-year-olds per person | -9.2% |
| 2003 | 0.0142 one-year-olds per person | -7.5% |
| 2004 | 0.0127 one-year-olds per person | -10.2% |
| 2005 | 0.0113 one-year-olds per person | -11.6% |
| 2006 | 0.0101 one-year-olds per person | -9.8% |
| 2007 | 0.0091 one-year-olds per person | -10.6% |
| 2008 | 0.008 one-year-olds per person | -11.8% |
| 2009 | 0.0069 one-year-olds per person | -13.7% |
| 2010 | 0.0058 one-year-olds per person | -16.0% |
| 2011 | 0.0047 one-year-olds per person | -18.4% |
| 2012 | 0.0044 one-year-olds per person | -7.6% |
| 2013 | 0.0044 one-year-olds per person | -0.6% |
| 2014 | 0.0046 one-year-olds per person | +6.7% |
| 2015 | 0.0046 one-year-olds per person | -1.6% |
| 2016 | 0.0048 one-year-olds per person | +4.8% |
| 2017 | 0.0065 one-year-olds per person | +36.8% |
| 2018 | 0.0055 one-year-olds per person | -16.7% |
| 2019 | 0.0065 one-year-olds per person | +19.2% |
| 2020 | 0.0076 one-year-olds per person | +16.4% |
| 2021 | 0.0095 one-year-olds per person | +25.4% |
| 2022 | 0.0074 one-year-olds per person | -22.1% |
| 2023 | 0.0073 one-year-olds per person | -1.3% |
Guinea-Bissau compared with similar countries
- Guinea-Bissau's 0.0073 one-year-olds per person is above the median for low income countries, which is 0.0072 one-year-olds per person, 1.0× the median. (25 countries reporting)
- Guinea-Bissau's 0.0073 one-year-olds per person is above the median for Sub-Saharan Africa, which is 0.0048 one-year-olds per person, 1.5× the median. (48 countries reporting)
Biggest year-on-year movements
Years where Number of one-year-olds who are not vaccinated against diphtheria in Guinea-Bissau 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 |
|---|---|---|---|
| 1995 | +111.1% | 0.0097 one-year-olds per person | 0.0204 one-year-olds per person |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.0242 one-year-olds per person | 0.0131 one-year-olds per person | 0.0358 one-year-olds per person | 7 |
| 1990s | 0.0153 one-year-olds per person | 0.0097 one-year-olds per person | 0.0204 one-year-olds per person | 10 |
| 2000s | 0.0123 one-year-olds per person | 0.0069 one-year-olds per person | 0.0184 one-year-olds per person | 10 |
| 2010s | 0.0052 one-year-olds per person | 0.0044 one-year-olds per person | 0.0065 one-year-olds per person | 10 |
| 2020s | 0.0079 one-year-olds per person | 0.0073 one-year-olds per person | 0.0095 one-year-olds per person | 4 |
Countries ranked near Guinea-Bissau
- 19 Cameroon 0.0079 one-year-olds per person compare
- 20 Vanuatu 0.0077 one-year-olds per person compare
- 21 Lebanon 0.0075 one-year-olds per person compare
- 23 Equatorial Guinea 0.0072 one-year-olds per person compare
- 24 South Sudan 0.0072 one-year-olds per person compare
- 25 Syria 0.0069 one-year-olds per person compare
More health data for Guinea-Bissau
- Un projection of annual infant deaths, annual growth rate -1.67 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.7721 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,070 deaths per 1,000 people (2090)
- Number of infants who die before age 1 941 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 0 (2025)
- Population ages 00-04, female, annual growth rate 0.899 % 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 0.0664 units per person (2025)
- Population ages 00-04, male, annual growth rate 0.8987 % 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 Guinea-Bissau?
- Number of one-year-olds who are not vaccinated against diphtheria in Guinea-Bissau was 0.0073 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 Guinea-Bissau?
- The highest recorded value was 0.0358 one-year-olds per person in 1983.
- What is the lowest number of one-year-olds who are not vaccinated against diphtheria recorded in Guinea-Bissau?
- The lowest recorded value was 0.0044 one-year-olds per person in 2013.
- How does Guinea-Bissau rank for number of one-year-olds who are not vaccinated against diphtheria?
- Guinea-Bissau ranks 22nd out of 192 countries with data for 2023.
- Is number of one-year-olds who are not vaccinated against diphtheria rising or falling in Guinea-Bissau?
- Over the last ten years it is up 67.4%. The long-run trend across the full record is volatile.
- Where does this Guinea-Bissau 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.
Download this data
CSV · JSON — 41 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.