OECD members vs Sierra Leone: Urban population growth (annual %)
Urban population growth (annual %) over time
- OECD members
- Sierra Leone
How they compare
Sierra Leone currently reports 3.3% against 0.5% in OECD members, a difference of 2.8%.
That makes Sierra Leone's figure about 6.0 times OECD members's.
The two have swapped places 2 times across 65 shared years of data; in 1961 it was Sierra Leone ahead.
OECD members ranks 42nd and Sierra Leone ranks 39th of 47 groups.
Sierra Leone has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | OECD members | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 2.1% | 5.1% | 3.0% | Sierra Leone |
| 1970s | 1.6% | 4.2% | 2.7% | Sierra Leone |
| 1980s | 1.2% | 3.4% | 2.2% | Sierra Leone |
| 1990s | 1.2% | 1.3% | 0.1% | Sierra Leone |
| 2000s | 1.1% | 4.2% | 3.0% | Sierra Leone |
| 2010s | 0.9% | 3.5% | 2.7% | Sierra Leone |
| 2020s | 0.6% | 3.4% | 2.8% | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher urban population growth, OECD members or Sierra Leone?
- Sierra Leone, at 3.3% against 0.5% in OECD members as of 2025.
- What is the difference in urban population growth between OECD members and Sierra Leone?
- 2.8%, with Sierra Leone ahead.
- How many years of comparable data are there for OECD members and Sierra Leone?
- 65 years are reported by both, from 1961 to 2025.
- How do OECD members and Sierra Leone rank globally for urban population growth?
- OECD members ranks 42nd and Sierra Leone ranks 39th of 47 groups.
- Where does this data come from?
- World Urbanization Prospects, United Nations (UN), published as Urban population growth (annual %). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Annual urban population growth rate for year t is the exponential rate of growth of midyear urban population from year t-1 to t, expressed as a percentage. Urban population refers to people living in urban areas as defined by national statistical offices. It is calculated using World Bank total population estimates and urban ratios from the United Nations World Urbanization Prospects.