How many years of comparable data are there for Puerto Rico and Sierra Leone?

18 years are reported by both, from 2006 to 2023.

Where does this data come from?

Statizoid (derived), published as 2.5.1b Number of transboundary breeds (including extinct ones) — Value, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Puerto Rico vs Sierra Leone: 2.5.1b Number: Value, per square kilometre

Puerto Rico

0.0002 No per square kilometre

in 2023

Sierra Leone

0.0002 No per square kilometre

in 2023

Puerto Rico rank

83rd

Sierra Leone rank

86th

2.5.1b Number: Value, per square kilometre over time

Puerto Rico
Sierra Leone

How they compare

Puerto Rico currently reports 0.0002 No per square kilometre against 0.0002 No per square kilometre in Sierra Leone, a difference of 0 No per square kilometre.

That makes Puerto Rico's figure about 1.2 times Sierra Leone's.

Across all 18 years both countries report, Puerto Rico has been ahead every year.

Puerto Rico ranks 83rd and Sierra Leone ranks 86th of 165 countries.

Puerto Rico has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Puerto Rico	Sierra Leone	Difference	Ahead
2000s	0.0002 No per square kilometre	0.0002 No per square kilometre	0 No per square kilometre	Puerto Rico
2010s	0.0002 No per square kilometre	0.0002 No per square kilometre	0 No per square kilometre	Puerto Rico
2020s	0.0002 No per square kilometre	0.0002 No per square kilometre	0 No per square kilometre	Puerto Rico

Averages of every year both report within each decade.

Frequently asked questions

Which has higher 2.5.1b number of transboundary breeds (including extinct ones), Puerto Rico or Sierra Leone?: Puerto Rico, at 0.0002 No per square kilometre against 0.0002 No per square kilometre in Sierra Leone as of 2023.
What is the difference in 2.5.1b number of transboundary breeds (including extinct ones) between Puerto Rico and Sierra Leone?: 0 No per square kilometre, with Puerto Rico ahead.
How many years of comparable data are there for Puerto Rico and Sierra Leone?: 18 years are reported by both, from 2006 to 2023.
How do Puerto Rico and Sierra Leone rank globally for 2.5.1b number of transboundary breeds (including extinct ones)?: Puerto Rico ranks 83rd and Sierra Leone ranks 86th of 165 countries.
Where does this data come from?: Statizoid (derived), published as 2.5.1b Number of transboundary breeds (including extinct ones) — Value, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Puerto Rico vs Sierra Leone: 2.5.1b Number of transboundary breeds (including extinct ones). Statizoid, drawing on Statizoid (derived). Retrieved 12 October 2026, from https://economy.statizoid.com/compare/2-5-1b-number-of-transboundary-breeds-including-extinct-ones-value-per-square-kilometre/puerto-rico-us/sierra-leone/

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<a href="https://economy.statizoid.com/compare/2-5-1b-number-of-transboundary-breeds-including-extinct-ones-value-per-square-kilometre/puerto-rico-us/sierra-leone/">Puerto Rico vs Sierra Leone: 2.5.1b Number of transboundary breeds (including extinct ones)</a> — Statizoid

About this data

Indicator: 2.5.1b Number of transboundary breeds (including extinct ones) — Value, per square kilometre
Unit: No per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 167 places, 3,832 data points, 2000–2023
Last refreshed: 30 September 2026

2.5.1b Number of transboundary breeds (including extinct ones) — Value divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.