How many years of comparable data are there for Bulgaria and Samoa?

15 years are reported by both, from 2009 to 2023.

Where does this data come from?

Statizoid (derived), published as Gross capital formation (constant 2015 US$), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Bulgaria vs Samoa: Gross capital formation (constant 2015 US$), per square kilometre

Bulgaria

124,873 constant 2015 US$ per square kilometre

in 2023

Samoa

129,076 constant 2015 US$ per square kilometre

in 2023

Bulgaria rank

73rd

Samoa rank

71st

Gross capital formation (constant 2015 US$), per square kilometre over time

Bulgaria
Samoa

How they compare

Samoa currently reports 129,076 constant 2015 US$ per square kilometre against 124,873 constant 2015 US$ per square kilometre in Bulgaria, a difference of 4,203 constant 2015 US$ per square kilometre.

The two have swapped places 7 times across 15 shared years of data; in 2009 it was Bulgaria ahead.

Bulgaria ranks 73rd and Samoa ranks 71st of 160 countries.

Across the 3 decades both report, Bulgaria averaged higher in 2 and Samoa in 1.

Head to head by decade

Decade	Bulgaria	Samoa	Difference	Ahead
2000s	100,666 constant 2015 US$ per square kilometre	80,362 constant 2015 US$ per square kilometre	20,304 constant 2015 US$ per square kilometre	Bulgaria
2010s	104,578 constant 2015 US$ per square kilometre	107,104 constant 2015 US$ per square kilometre	2,526 constant 2015 US$ per square kilometre	Samoa
2020s	126,002 constant 2015 US$ per square kilometre	115,388 constant 2015 US$ per square kilometre	10,615 constant 2015 US$ per square kilometre	Bulgaria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher gross capital formation (constant 2015 us$), per square kilometre, Bulgaria or Samoa?: Samoa, at 129,076 constant 2015 US$ per square kilometre against 124,873 constant 2015 US$ per square kilometre in Bulgaria as of 2023.
What is the difference in gross capital formation (constant 2015 us$), per square kilometre between Bulgaria and Samoa?: 4,203 constant 2015 US$ per square kilometre, with Samoa ahead.
How many years of comparable data are there for Bulgaria and Samoa?: 15 years are reported by both, from 2009 to 2023.
How do Bulgaria and Samoa rank globally for gross capital formation (constant 2015 us$), per square kilometre?: Bulgaria ranks 73rd and Samoa ranks 71st of 160 countries.
Where does this data come from?: Statizoid (derived), published as Gross capital formation (constant 2015 US$), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Samoa: Gross capital formation (constant 2015 US$), per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 05 September 2026, from https://economy.statizoid.com/compare/gross-capital-formation-constant-2015-us-per-square-kilometre/bulgaria/samoa/

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<a href="https://economy.statizoid.com/compare/gross-capital-formation-constant-2015-us-per-square-kilometre/bulgaria/samoa/">Bulgaria vs Samoa: Gross capital formation (constant 2015 US$), per square kilometre</a> — Statizoid

About this data

Indicator: Gross capital formation (constant 2015 US$), per square kilometre
Unit: constant 2015 US$ per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 200 places, 7,878 data points, 1961–2023
Last refreshed: 05 September 2026

Gross capital formation (constant 2015 US$) 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.