Lower middle income vs San Marino: GNI, PPP (constant 2021 international $), per square kilometre

Lower middle income
1.36 million constant 2021 international $ per square kilometre
in 2023
San Marino
36.54 million constant 2021 international $ per square kilometre
in 2023
Lower middle income rank
11th
San Marino rank
8th

GNI, PPP (constant 2021 international $), per square kilometre over time

  • Lower middle income
  • San Marino
010.0M20.0M30.0M40.0M199020062023

How they compare

San Marino currently reports 36.54 million constant 2021 international $ per square kilometre against 1.36 million constant 2021 international $ per square kilometre in Lower middle income, a difference of 35.18 million constant 2021 international $ per square kilometre.

That makes San Marino's figure about 26.8 times Lower middle income's.

Across all 7 years both countries report, San Marino has been ahead every year.

Lower middle income ranks 11th and San Marino ranks 8th of 25 groups.

San Marino has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade Lower middle income San Marino Difference Ahead
2010s 1.11 million constant 2021 international $ per square kilometre 31.19 million constant 2021 international $ per square kilometre 30.07 million constant 2021 international $ per square kilometre San Marino
2020s 1.24 million constant 2021 international $ per square kilometre 33.87 million constant 2021 international $ per square kilometre 32.63 million constant 2021 international $ per square kilometre San Marino

Averages of every year both report within each decade.

Frequently asked questions

Which has higher gni, ppp (constant 2021 international $), per square kilometre, Lower middle income or San Marino?
San Marino, at 36.54 million constant 2021 international $ per square kilometre against 1.36 million constant 2021 international $ per square kilometre in Lower middle income as of 2023.
What is the difference in gni, ppp (constant 2021 international $), per square kilometre between Lower middle income and San Marino?
35.18 million constant 2021 international $ per square kilometre, with San Marino ahead.
How many years of comparable data are there for Lower middle income and San Marino?
7 years are reported by both, from 2017 to 2023.
How do Lower middle income and San Marino rank globally for gni, ppp (constant 2021 international $), per square kilometre?
Lower middle income ranks 11th and San Marino ranks 8th of 25 groups.
Where does this data come from?
Statizoid (derived), published as GNI, PPP (constant 2021 international $), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Lower middle income vs San Marino: GNI, PPP (constant 2021 international $), per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 11 October 2026, from https://economy.statizoid.com/compare/gni-ppp-constant-2021-international-per-square-kilometre/lower-middle-income/san-marino/

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About this data

Indicator
GNI, PPP (constant 2021 international $), per square kilometre
Unit
constant 2021 international $ per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
181 places, 4,996 data points, 1990–2023
Last refreshed

GNI, PPP (constant 2021 international $) 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.