Sierra Leone vs Viet Nam: Population in urban agglomerations of more than 1 million, annual
Sierra Leone
2.95 % change on previous year
in 2025
Viet Nam
2.85 % change on previous year
in 2025
Sierra Leone rank
33rd
Viet Nam rank
35th
Population in urban agglomerations of more than 1 million, annual over time
- Sierra Leone
- Viet Nam
How they compare
Sierra Leone currently reports 2.95 % change on previous year against 2.85 % change on previous year in Viet Nam, a difference of 0.1 % change on previous year.
The two have swapped places 3 times across 65 shared years of data; in 1961 it was Viet Nam ahead.
Sierra Leone ranks 33rd and Viet Nam ranks 35th of 121 countries.
Across the 7 decades both report, Sierra Leone averaged higher in 3 and Viet Nam in 4.
Head to head by decade
| Decade | Sierra Leone | Viet Nam | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 5.54 % change on previous year | 3.76 % change on previous year | 1.78 % change on previous year | Sierra Leone |
| 1970s | 6.02 % change on previous year | 3.91 % change on previous year | 2.11 % change on previous year | Sierra Leone |
| 1980s | 4.19 % change on previous year | 1.34 % change on previous year | 2.85 % change on previous year | Sierra Leone |
| 1990s | 2.58 % change on previous year | 3.8 % change on previous year | 1.22 % change on previous year | Viet Nam |
| 2000s | 2.72 % change on previous year | 4.19 % change on previous year | 1.47 % change on previous year | Viet Nam |
| 2010s | 2.88 % change on previous year | 4.21 % change on previous year | 1.34 % change on previous year | Viet Nam |
| 2020s | 2.9 % change on previous year | 3.2 % change on previous year | 0.2953 % change on previous year | Viet Nam |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population in urban agglomerations of more than 1 million, annual, Sierra Leone or Viet Nam?
- Sierra Leone, at 2.95 % change on previous year against 2.85 % change on previous year in Viet Nam as of 2025.
- What is the difference in population in urban agglomerations of more than 1 million, annual between Sierra Leone and Viet Nam?
- 0.1 % change on previous year, with Sierra Leone ahead.
- How many years of comparable data are there for Sierra Leone and Viet Nam?
- 65 years are reported by both, from 1961 to 2025.
- How do Sierra Leone and Viet Nam rank globally for population in urban agglomerations of more than 1 million, annual?
- Sierra Leone ranks 33rd and Viet Nam ranks 35th of 121 countries.
- Where does this data come from?
- Statizoid (derived), published as Population in urban agglomerations of more than 1 million, annual growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
The year-on-year percentage change in Population in urban agglomerations of more than 1 million. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.