Median age in Guinea-Bissau
Guinea-Bissau: Median age was 18.94 years in 2023. ▼ Falling
Median age in Guinea-Bissau, 1950–2023
Source: UN, World Population Prospects (2024) – processed by Our World in Data. Measured in years.
Analysis
Guinea-Bissau recorded 18.94 years for median age in 2023.
That represents a change of up 1.1% on the previous year and up 9.3% over ten years.
Over the whole period, median age in Guinea-Bissau peaked at 21.95 years in 1960 and was at its lowest, 15.87 years, in 1988.
Guinea-Bissau ranks 203rd of 236 countries on this measure, in the bottom quarter.
The long-run direction has been consistently falling across the 74 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 21.11 years | 20.4 years | 21.83 years | 10 |
| 1960s | 20.1 years | 18.2 years | 21.95 years | 10 |
| 1970s | 17.45 years | 16.55 years | 18.01 years | 10 |
| 1980s | 16.12 years | 15.87 years | 16.58 years | 10 |
| 1990s | 16.07 years | 15.92 years | 16.24 years | 10 |
| 2000s | 16.67 years | 16.31 years | 17.01 years | 10 |
| 2010s | 17.56 years | 17.08 years | 18.19 years | 10 |
| 2020s | 18.64 years | 18.36 years | 18.94 years | 4 |
Countries ranked near Guinea-Bissau
- 200 Sierra Leone 19.27 years compare
- 201 Senegal 19.13 years compare
- 202 Sao Tome and Principe 19.05 years compare
- 204 Madagascar 18.88 years compare
- 205 Ethiopia 18.73 years compare
- 206 Eritrea 18.65 years compare
More reference data data for Guinea-Bissau
- Number of child deaths per woman 0.2741 under-five deaths per woman (2024)
- Fertility rate vs. Human Development Index 3.84 live births per woman (2023)
- Fertility rate: births per woman 3.84 live births per woman (2023)
- Fertility rate: births per woman 3.84 live births per woman (2023)
- Human Development Index 0.514 (2023)
- Rule of Law - Governance estimate -1.23 approx. -2.5 to +2.5 (2024)
- Rule of Law - Governance score 35.71 0-100 (2024)
- Voice and Accountability - Governance score 43.22 0-100 (2024)
- Voice and Accountability - Governance estimate -0.7788 approx. -2.5 to +2.5 (2024)
- Political Stability - Governance estimate -0.6184 approx. -2.5 to +2.5 (2024)
Frequently asked questions
- What is median age in Guinea-Bissau?
- Median age in Guinea-Bissau was 18.94 years in 2023, according to UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest median age recorded in Guinea-Bissau?
- The highest recorded value was 21.95 years in 1960.
- What is the lowest median age recorded in Guinea-Bissau?
- The lowest recorded value was 15.87 years in 1988.
- How does Guinea-Bissau rank for median age?
- Guinea-Bissau ranks 203rd out of 236 countries with data for 2023.
- Is median age rising or falling in Guinea-Bissau?
- Over the last ten years it is up 9.3%. The long-run trend across the full record is falling.
- Where does this Guinea-Bissau data come from?
- The figures come from UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Median age. Statizoid updates them automatically from the source API.
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About this data
The age that divides the population into two halves of equal size — half are younger and half are older.