Guinea-Bissau vs São Tomé and Príncipe, Democratic Republic of: Median age

Guinea-Bissau
18.94
in 2023
São Tomé and Príncipe, Democratic Republic of
19.05
in 2023
Guinea-Bissau rank
197th
São Tomé and Príncipe, Democratic Republic of rank
196th

Median age over time

  • Guinea-Bissau
  • São Tomé and Príncipe, Democratic Republic of
0510152025195019862023

How they compare

São Tomé and Príncipe, Democratic Republic of currently reports 19.05 against 18.94 in Guinea-Bissau, a difference of 0.11.

The two have swapped places 4 times across 74 shared years of data; in 1950 it was São Tomé and Príncipe, Democratic Republic of ahead.

Guinea-Bissau ranks 197th and São Tomé and Príncipe, Democratic Republic of ranks 196th of 229 countries.

Across the 8 decades both report, Guinea-Bissau averaged higher in 1 and São Tomé and Príncipe, Democratic Republic of in 7.

Head to head by decade

Decade Guinea-Bissau São Tomé and Príncipe, Democratic Republic of Difference Ahead
1950s 21.11 23.21 2.1 São Tomé and Príncipe, Democratic Republic of
1960s 20.1 20.3 0.1961 São Tomé and Príncipe, Democratic Republic of
1970s 17.45 15.95 1.5 Guinea-Bissau
1980s 16.12 16.31 0.1976 São Tomé and Príncipe, Democratic Republic of
1990s 16.07 16.21 0.1426 São Tomé and Príncipe, Democratic Republic of
2000s 16.67 17.35 0.6757 São Tomé and Príncipe, Democratic Republic of
2010s 17.56 17.94 0.3846 São Tomé and Príncipe, Democratic Republic of
2020s 18.64 18.77 0.1273 São Tomé and Príncipe, Democratic Republic of

Averages of every year both report within each decade.

Frequently asked questions

Which has higher median age, Guinea-Bissau or São Tomé and Príncipe, Democratic Republic of?
São Tomé and Príncipe, Democratic Republic of, at 19.05 against 18.94 in Guinea-Bissau as of 2023.
What is the difference in median age between Guinea-Bissau and São Tomé and Príncipe, Democratic Republic of?
0.11, with São Tomé and Príncipe, Democratic Republic of ahead.
How many years of comparable data are there for Guinea-Bissau and São Tomé and Príncipe, Democratic Republic of?
74 years are reported by both, from 1950 to 2023.
How do Guinea-Bissau and São Tomé and Príncipe, Democratic Republic of rank globally for median age?
Guinea-Bissau ranks 197th and São Tomé and Príncipe, Democratic Republic of ranks 196th of 229 countries.
Where does this data come from?
Our World in Data, published as Median age. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

Guinea-Bissau vs São Tomé and Príncipe, Democratic Republic of: Median age. Statizoid, drawing on Our World in Data. Retrieved 19 August 2026, from https://reference.statizoid.com/compare/median-age/guinea-bissau/sao-tome-and-principe/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://reference.statizoid.com/compare/median-age/guinea-bissau/sao-tome-and-principe/">Guinea-Bissau vs São Tomé and Príncipe, Democratic Republic of: Median age</a> — Statizoid

About this data

Indicator
Median age
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 17,464 data points, 1950–2023
Last refreshed