Hong Kong, China vs Sierra Leone: Population: comparison of UN projections

Hong Kong, China
7.44 million people
in 2023
Sierra Leone
8.46 million people
in 2023
Hong Kong, China rank
104th
Sierra Leone rank
101st

Population: comparison of UN projections over time

  • Hong Kong, China
  • Sierra Leone
2.0M4.0M6.0M8.0M195019862023

How they compare

Sierra Leone currently reports 8.46 million people against 7.44 million people in Hong Kong, China, a difference of 1.02 million people.

That makes Sierra Leone's figure about 1.1 times Hong Kong, China's.

The two have swapped places 2 times across 74 shared years of data; in 1950 it was Sierra Leone ahead.

Hong Kong, China ranks 104th and Sierra Leone ranks 101st of 236 countries.

Across the 8 decades both report, Hong Kong, China averaged higher in 7 and Sierra Leone in 1.

Head to head by decade

Decade Hong Kong, China Sierra Leone Difference Ahead
1950s 2.45 million people 2.11 million people 333,428 people Hong Kong, China
1960s 3.27 million people 2.45 million people 812,486 people Hong Kong, China
1970s 4.36 million people 2.95 million people 1.41 million people Hong Kong, China
1980s 5.31 million people 3.62 million people 1.69 million people Hong Kong, China
1990s 6.09 million people 4.22 million people 1.87 million people Hong Kong, China
2000s 6.89 million people 5.34 million people 1.55 million people Hong Kong, China
2010s 7.32 million people 6.97 million people 354,543 people Hong Kong, China
2020s 7.47 million people 8.19 million people 715,250 people Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population: comparison of un projections, Hong Kong, China or Sierra Leone?
Sierra Leone, at 8.46 million people against 7.44 million people in Hong Kong, China as of 2023.
What is the difference in population: comparison of un projections between Hong Kong, China and Sierra Leone?
1.02 million people, with Sierra Leone ahead.
How many years of comparable data are there for Hong Kong, China and Sierra Leone?
74 years are reported by both, from 1950 to 2023.
How do Hong Kong, China and Sierra Leone rank globally for population: comparison of un projections?
Hong Kong, China ranks 104th and Sierra Leone ranks 101st of 236 countries.
Where does this data come from?
UN, World Population Prospects (2024) – processed by Our World in Data, published as Population: comparison of UN projections. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Hong Kong, China vs Sierra Leone: Population: comparison of UN projections. Statizoid, drawing on UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 02 September 2026, from https://population.statizoid.com/compare/comparison-of-world-population-projections/hong-kong-sar-china/sierra-leone/

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About this data

Indicator
Population: comparison of UN projections
Unit
people
Source
UN, World Population Prospects (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 17,464 data points, 1950–2023
Last refreshed

Total population, measured on 1 July of the year shown.