Guam vs Sierra Leone: Population growth rate

Guam
-0.122
in 2100
Sierra Leone
-0.137
in 2100
Guam rank
95th
Sierra Leone rank
98th

Population growth rate over time

  • Guam
  • Sierra Leone
-2.502.557.5170019002100

How they compare

Guam currently reports -0.122 against -0.137 in Sierra Leone, a difference of 0.015.

The two have swapped places 10 times across 157 shared years of data; in 1800 it was Guam ahead.

Guam ranks 95th and Sierra Leone ranks 98th of 239 countries.

Across the 22 decades both report, Guam averaged higher in 10 and Sierra Leone in 12.

Head to head by decade

Decade Guam Sierra Leone Difference Ahead
1800s 1.1 0.5267 0.5749 Guam
1900s -2.51 0.7424 3.26 Sierra Leone
1910s 2.03 0.7021 1.32 Guam
1920s 1.54 0.9596 0.5819 Guam
1930s 3.05 1.45 1.61 Guam
1940s 1.47 1.55 0.0855 Sierra Leone
1950s 1.26 1.24 0.0193 Guam
1960s 2.4 1.77 0.6349 Guam
1970s 2.2 1.87 0.3262 Guam
1980s 2.33 2.31 0.0192 Guam
1990s 1.49 0.5856 0.9017 Guam
2000s 0.436 3.5 3.07 Sierra Leone
2010s -0.3099 2.42 2.73 Sierra Leone
2020s 0.7603 2.06 1.3 Sierra Leone
2030s 0.5092 1.63 1.12 Sierra Leone
2040s 0.4219 1.29 0.8718 Sierra Leone
2050s 0.3079 0.9532 0.6453 Sierra Leone
2060s 0.2002 0.6664 0.4662 Sierra Leone
2070s 0.195 0.3843 0.1893 Sierra Leone
2080s 0.0944 0.1631 0.0687 Sierra Leone
2090s -0.0649 -0.0291 0.0358 Sierra Leone
2100s -0.122 -0.137 0.015 Guam

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population growth rate, Guam or Sierra Leone?
Guam, at -0.122 against -0.137 in Sierra Leone as of 2100.
What is the difference in population growth rate between Guam and Sierra Leone?
0.015, with Guam ahead.
How many years of comparable data are there for Guam and Sierra Leone?
157 years are reported by both, from 1800 to 2100.
How do Guam and Sierra Leone rank globally for population growth rate?
Guam ranks 95th and Sierra Leone ranks 98th of 239 countries.
Where does this data come from?
Our World in Data, published as Population growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Guam vs Sierra Leone: Population growth rate. Statizoid, drawing on Our World in Data. Retrieved 11 November 2026, from https://population.statizoid.com/compare/population-growth-rate/guam/sierra-leone/

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About this data

Indicator
Population growth rate
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
239 places, 38,302 data points, 1700–2100
Last refreshed