Bulgaria vs Nauru: Population aged 65 years or older (thousands), per square kilometre

Bulgaria
0.0136 thousands per square kilometre
in 2023
Nauru
0.0152 thousands per square kilometre
in 2023
Bulgaria rank
78th
Nauru rank
77th

Population aged 65 years or older (thousands), per square kilometre over time

  • Bulgaria
  • Nauru
0.0050.010.0150.02197019962023

How they compare

Nauru currently reports 0.0152 thousands per square kilometre against 0.0136 thousands per square kilometre in Bulgaria, a difference of 0.0016 thousands per square kilometre.

That makes Nauru's figure about 1.1 times Bulgaria's.

The two have swapped places 3 times across 54 shared years of data; in 1970 it was Bulgaria ahead.

Bulgaria ranks 78th and Nauru ranks 77th of 215 countries.

Across the 6 decades both report, Bulgaria averaged higher in 5 and Nauru in 1.

Head to head by decade

Decade Bulgaria Nauru Difference Ahead
1970s 0.0083 thousands per square kilometre 0.0046 thousands per square kilometre 0.0037 thousands per square kilometre Bulgaria
1980s 0.0094 thousands per square kilometre 0.0177 thousands per square kilometre 0.0082 thousands per square kilometre Nauru
1990s 0.0112 thousands per square kilometre 0.0097 thousands per square kilometre 0.0015 thousands per square kilometre Bulgaria
2000s 0.0122 thousands per square kilometre 0.0076 thousands per square kilometre 0.0046 thousands per square kilometre Bulgaria
2010s 0.0131 thousands per square kilometre 0.0082 thousands per square kilometre 0.0049 thousands per square kilometre Bulgaria
2020s 0.0137 thousands per square kilometre 0.0133 thousands per square kilometre 0.0004 thousands per square kilometre Bulgaria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population aged 65 years or older (thousands), per square kilometre, Bulgaria or Nauru?
Nauru, at 0.0152 thousands per square kilometre against 0.0136 thousands per square kilometre in Bulgaria as of 2023.
What is the difference in population aged 65 years or older (thousands), per square kilometre between Bulgaria and Nauru?
0.0016 thousands per square kilometre, with Nauru ahead.
How many years of comparable data are there for Bulgaria and Nauru?
54 years are reported by both, from 1970 to 2023.
How do Bulgaria and Nauru rank globally for population aged 65 years or older (thousands), per square kilometre?
Bulgaria ranks 78th and Nauru ranks 77th of 215 countries.
Where does this data come from?
Statizoid (derived), published as Population aged 65 years or older (thousands), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Nauru: Population aged 65 years or older (thousands), per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 11 November 2026, from https://population.statizoid.com/compare/population-aged-65-years-or-older-thousands-per-square-kilometre/bulgaria/naoero/

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About this data

Indicator
Population aged 65 years or older (thousands), per square kilometre
Unit
thousands per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
215 places, 10,529 data points, 1970–2023
Last refreshed

Population aged 65 years or older (thousands) 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.