Poland vs Sierra Leone: Number of people living in cities with more than 1 million residents
Poland
1.86 million people
in 2020
Sierra Leone
1.77 million people
in 2020
Poland rank
92nd
Sierra Leone rank
94th
Number of people living in cities with more than 1 million residents over time
- Poland
- Sierra Leone
How they compare
Poland currently reports 1.86 million people against 1.77 million people in Sierra Leone, a difference of 92,410 people.
That makes Poland's figure about 1.1 times Sierra Leone's.
The two have swapped places 1 time across 15 shared years of data; in 1950 it was Sierra Leone ahead.
Poland ranks 92nd and Sierra Leone ranks 94th of 182 countries.
Poland has averaged higher in every one of the 8 decades both report.
Head to head by decade
| Decade | Poland | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1950s | 0 people | 0 people | 0 people | — |
| 1960s | 1.17 million people | 0 people | 1.17 million people | Poland |
| 1970s | 2.42 million people | 0 people | 2.42 million people | Poland |
| 1980s | 2.70 million people | 0 people | 2.70 million people | Poland |
| 1990s | 2.74 million people | 0 people | 2.74 million people | Poland |
| 2000s | 2.22 million people | 0 people | 2.22 million people | Poland |
| 2010s | 1.77 million people | 1.26 million people | 508,420 people | Poland |
| 2020s | 1.86 million people | 1.77 million people | 92,410 people | Poland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher number of people living in cities with more than 1 million residents, Poland or Sierra Leone?
- Poland, at 1.86 million people against 1.77 million people in Sierra Leone as of 2020.
- What is the difference in number of people living in cities with more than 1 million residents between Poland and Sierra Leone?
- 92,410 people, with Poland ahead.
- How many years of comparable data are there for Poland and Sierra Leone?
- 15 years are reported by both, from 1950 to 2020.
- How do Poland and Sierra Leone rank globally for number of people living in cities with more than 1 million residents?
- Poland ranks 92nd and Sierra Leone ranks 94th of 182 countries.
- Where does this data come from?
- European Commission, Joint Research Centre (JRC) (2025) – with minor processing by Our World in Data, published as Number of people living in cities with more than 1 million residents. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Total population living in cities with 1 million or more people. City boundaries are defined using a consistent global approach based on satellite imagery and population data.