Share of one-year-olds vaccinated against diphtheria, tetanus in Guinea-Bissau
Guinea-Bissau: Share of one-year-olds vaccinated against diphtheria, tetanus was 84.0% in 2025. ▲ Rising
Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Guinea-Bissau, 1983–2025
Source: WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
In 2025, share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Guinea-Bissau stood at 84.0%.
Compared with earlier readings it is down 1.2% on the previous year and down 2.3% over ten years.
Over the whole period, share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Guinea-Bissau peaked at 91.0% in 2023 and was at its lowest, 9.0%, in 1983.
That places Guinea-Bissau 133rd out of 195 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently rising across the 43 years of available data.
Share of one-year-olds vaccinated against diphtheria, tetanus in Guinea-Bissau, year by year
| Year | % | Change |
|---|---|---|
| 1983 | 9.0% | — |
| 1984 | 18.0% | +100.0% |
| 1985 | 18.0% | +0.0% |
| 1986 | 47.0% | +161.1% |
| 1987 | 55.0% | +17.0% |
| 1988 | 66.0% | +20.0% |
| 1989 | 54.0% | -18.2% |
| 1990 | 61.0% | +13.0% |
| 1991 | 63.0% | +3.3% |
| 1992 | 67.0% | +6.3% |
| 1993 | 63.0% | -6.0% |
| 1994 | 74.0% | +17.5% |
| 1995 | 45.0% | -39.2% |
| 1996 | 53.0% | +17.8% |
| 1997 | 63.0% | +18.9% |
| 1998 | 54.0% | -14.3% |
| 1999 | 45.0% | -16.7% |
| 2000 | 49.0% | +8.9% |
| 2001 | 53.0% | +8.2% |
| 2002 | 57.0% | +7.5% |
| 2003 | 60.0% | +5.3% |
| 2004 | 64.0% | +6.7% |
| 2005 | 68.0% | +6.2% |
| 2006 | 71.0% | +4.4% |
| 2007 | 74.0% | +4.2% |
| 2008 | 77.0% | +4.1% |
| 2009 | 80.0% | +3.9% |
| 2010 | 83.0% | +3.8% |
| 2011 | 86.0% | +3.6% |
| 2012 | 87.0% | +1.2% |
| 2013 | 87.0% | +0.0% |
| 2014 | 86.0% | -1.1% |
| 2015 | 86.0% | +0.0% |
| 2016 | 85.0% | -1.2% |
| 2017 | 79.0% | -7.1% |
| 2018 | 85.0% | +7.6% |
| 2019 | 84.0% | -1.2% |
| 2020 | 82.0% | -2.4% |
| 2021 | 78.0% | -4.9% |
| 2022 | 88.0% | +12.8% |
| 2023 | 91.0% | +3.4% |
| 2024 | 85.0% | -6.6% |
| 2025 | 84.0% | -1.2% |
Guinea-Bissau compared with similar countries
- Guinea-Bissau's 84.0% is above the median for low income countries, which is 82.0%, 1.0× the median. (25 countries reporting)
- Guinea-Bissau's 84.0% is above the median for Sub-Saharan Africa, which is 84.0%, 1.0× the median. (48 countries reporting)
Biggest year-on-year movements
Years where Share of one-year-olds vaccinated against diphtheria, tetanus 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 |
|---|---|---|---|
| 1986 | +161.1% | 18.0% | 47.0% |
| 1984 | +100.0% | 9.0% | 18.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 38.1% | 9.0% | 66.0% | 7 |
| 1990s | 58.8% | 45.0% | 74.0% | 10 |
| 2000s | 65.3% | 49.0% | 80.0% | 10 |
| 2010s | 84.8% | 79.0% | 87.0% | 10 |
| 2020s | 84.7% | 78.0% | 91.0% | 6 |
Countries ranked near Guinea-Bissau
More reference data data for Guinea-Bissau
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0583 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.3098 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.395 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.0269 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.395 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.1955 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.2346 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 1.56 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 2.15 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.1466 (2050)
Frequently asked questions
- What is share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Guinea-Bissau?
- Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Guinea-Bissau was 84.0% in 2025, according to WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest share of one-year-olds vaccinated against diphtheria, tetanus and pertussis recorded in Guinea-Bissau?
- The highest recorded value was 91.0% in 2023.
- What is the lowest share of one-year-olds vaccinated against diphtheria, tetanus and pertussis recorded in Guinea-Bissau?
- The lowest recorded value was 9.0% in 1983.
- How does Guinea-Bissau rank for share of one-year-olds vaccinated against diphtheria, tetanus and pertussis?
- Guinea-Bissau ranks 133rd out of 195 countries with data for 2025.
- Is share of one-year-olds vaccinated against diphtheria, tetanus and pertussis rising or falling in Guinea-Bissau?
- Over the last ten years it is down 2.3%. The long-run trend across the full record is rising.
- Where does this Guinea-Bissau data come from?
- The figures come from WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis. Statizoid updates them automatically from the source API.
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About this data
Share of one-year-olds who have had three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.