Bulgaria vs Tonga: Health/Demographic survey

Bulgaria
0.67 Availability score over 10 years
in 2023
Tonga
0.67 Availability score over 10 years
in 2023
Bulgaria rank
60th
Tonga rank
60th

Health/Demographic survey over time

  • Bulgaria
  • Tonga
00.20.40.60.81200420132023

How they compare

Bulgaria currently reports 0.67 Availability score over 10 years against 0.67 Availability score over 10 years in Tonga, a difference of 0 Availability score over 10 years.

The two have swapped places 2 times across 20 shared years of data; in 2004 it was Tonga ahead.

Bulgaria ranks 60th and Tonga ranks 60th of 193 countries.

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

Head to head by decade

Decade Bulgaria Tonga Difference Ahead
2000s 0.11 Availability score over 10 years 0 Availability score over 10 years 0.11 Availability score over 10 years Bulgaria
2010s 0.534 Availability score over 10 years 0.635 Availability score over 10 years 0.101 Availability score over 10 years Tonga
2020s 0.67 Availability score over 10 years 0.7525 Availability score over 10 years 0.0825 Availability score over 10 years Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher health/demographic survey, Bulgaria or Tonga?
Bulgaria, at 0.67 Availability score over 10 years against 0.67 Availability score over 10 years in Tonga as of 2023.
What is the difference in health/demographic survey between Bulgaria and Tonga?
0 Availability score over 10 years, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Tonga?
20 years are reported by both, from 2004 to 2023.
How do Bulgaria and Tonga rank globally for health/demographic survey?
Bulgaria ranks 60th and Tonga ranks 60th of 193 countries.
Where does this data come from?
Statistical Performance Indicators, The World Bank (https://datacatalog.worldbank.org/dataset/statistical-performance-indicators), published as Health/Demographic survey (Availability score over 10 years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Tonga: Health/Demographic survey. Statizoid, drawing on Statistical Performance Indicators, The World Bank (https://datacatalog.worldbank.org/dataset/statistical-performance-indicators). Retrieved 16 August 2026, from https://reference.statizoid.com/compare/health-demographic-survey-availability-score-over-10-years/bulgaria/tonga/

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About this data

Indicator
Health/Demographic survey (Availability score over 10 years)
Unit
Availability score over 10 years
Source
Statistical Performance Indicators, The World Bank (https://datacatalog.worldbank.org/dataset/statistical-performance-indicators)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
195 places, 3,900 data points, 2004–2023
Last refreshed

Health surveys collect information on various aspects of health of populations, such as health expenditure, access, utilization, and outcomes. They typically include Demographic and Health Surveys. It is recommended that health surveys be conducted at least every 3 to 5 years.