Which has higher sample size, Bulgaria or Romania?

Romania, at 15,535 against 14,980 in Bulgaria as of 2020.

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

14 years are reported by both, from 2001 to 2019.

The World Bank, published as Sample size. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Bulgaria

14,980

in 2019

Romania

15,535

in 2020

Bulgaria rank

62nd

Romania rank

60th

Romania currently reports 15,535 against 14,980 in Bulgaria, a difference of 555.

Across all 14 years both countries report, Romania has been ahead every year.

Bulgaria ranks 62nd and Romania ranks 60th of 80 countries.

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

Decade	Bulgaria	Romania	Difference	Ahead
2000s	10,171	30,502	20,331	Romania
2010s	13,536	15,757	2,221	Romania

Averages of every year both report within each decade.

Which has higher sample size, Bulgaria or Romania?: Romania, at 15,535 against 14,980 in Bulgaria as of 2020.
What is the difference in sample size between Bulgaria and Romania?: 555, with Romania ahead.
How many years of comparable data are there for Bulgaria and Romania?: 14 years are reported by both, from 2001 to 2019.
How do Bulgaria and Romania rank globally for sample size?: Bulgaria ranks 62nd and Romania ranks 60th of 80 countries.
Where does this data come from?: The World Bank, published as Sample size. Statizoid refreshes it automatically from the source and publishes the full history for both places.