How many years of comparable data are there for Niger and Tanzania?

20 years are reported by both, from 2004 to 2023.

Where does this data come from?

Statistical Performance Indicators, The World Bank (https://datacatalog.worldbank.org/dataset/statistical-performance-indicators), published as Dimension 4.1: Censuses and Surveys - Surveys only. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Niger vs Tanzania: Dimension 4.1: Censuses and Surveys - Surveys only

Niger

0.734

in 2023

Tanzania

0.734

in 2023

Niger rank

68th

Tanzania rank

68th

Dimension 4.1: Censuses and Surveys - Surveys only over time

Niger
Tanzania

How they compare

Niger currently reports 0.734 against 0.734 in Tanzania, a difference of 0.

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

Niger ranks 68th and Tanzania ranks 68th of 190 countries.

Tanzania has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Niger	Tanzania	Difference	Ahead
2000s	0.3227	0.5223	0.1997	Tanzania
2010s	0.547	0.7068	0.1598	Tanzania
2020s	0.6845	0.734	0.0495	Tanzania

Averages of every year both report within each decade.

Frequently asked questions

Which has higher dimension 4.1: censuses and surveys - surveys only, Niger or Tanzania?: Niger, at 0.734 against 0.734 in Tanzania as of 2023.
What is the difference in dimension 4.1: censuses and surveys - surveys only between Niger and Tanzania?: 0, with Niger ahead.
How many years of comparable data are there for Niger and Tanzania?: 20 years are reported by both, from 2004 to 2023.
How do Niger and Tanzania rank globally for dimension 4.1: censuses and surveys - surveys only?: Niger ranks 68th and Tanzania ranks 68th of 190 countries.
Where does this data come from?: Statistical Performance Indicators, The World Bank (https://datacatalog.worldbank.org/dataset/statistical-performance-indicators), published as Dimension 4.1: Censuses and Surveys - Surveys only. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Niger vs Tanzania: Dimension 4.1: Censuses and Surveys - Surveys only. Statizoid, drawing on Statistical Performance Indicators, The World Bank (https://datacatalog.worldbank.org/dataset/statistical-performance-indicators). Retrieved 17 August 2026, from https://reference.statizoid.com/compare/dimension-4-1-censuses-and-surveys-surveys-only/niger/tanzania/

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About this data

Indicator: Dimension 4.1: Censuses and Surveys - Surveys only
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: 190 places, 3,800 data points, 2004–2023
Last refreshed: 10 August 2026

Average score Census and Survey Indicators indicators. Availability of recent censuses and surveys covering broad areas. The following censuses and surveys are considered: Population & Housing census, Agriculture census, Business/establishment census, Household Survey on income/ consumption/ expenditure/ budget/ Integrated Survey, Agriculture survey, Labor Force Survey, Health/Demographic survey, Business/establishment survey. Source: NSO websites, World Bank microdata library, ILO microdata library, IHSN microdata librar