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

28 years are reported by both, from 1996 to 2023.

Where does this data come from?

Statizoid (derived), published as Annual articles published in scientific and technical journals, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Chad vs Niger: Annual articles published in scientific and technical journals, per

Chad

0 units per square kilometre

in 2023

Niger

0.0001 units per square kilometre

in 2023

Chad rank

193rd

Niger rank

190th

Annual articles published in scientific and technical journals, per over time

Chad
Niger

How they compare

Niger currently reports 0.0001 units per square kilometre against 0 units per square kilometre in Chad, a difference of 0.0001 units per square kilometre.

That makes Niger's figure about 1.7 times Chad's.

Across all 28 years both countries report, Niger has been ahead every year.

Chad ranks 193rd and Niger ranks 190th of 196 countries.

Niger has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade	Chad	Niger	Difference	Ahead
1990s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	Niger
2000s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	Niger
2010s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	Niger
2020s	0 units per square kilometre	0.0001 units per square kilometre	0 units per square kilometre	Niger

Averages of every year both report within each decade.

Frequently asked questions

Which has higher annual articles published in scientific and technical journals, per, Chad or Niger?: Niger, at 0.0001 units per square kilometre against 0 units per square kilometre in Chad as of 2023.
What is the difference in annual articles published in scientific and technical journals, per between Chad and Niger?: 0.0001 units per square kilometre, with Niger ahead.
How many years of comparable data are there for Chad and Niger?: 28 years are reported by both, from 1996 to 2023.
How do Chad and Niger rank globally for annual articles published in scientific and technical journals, per?: Chad ranks 193rd and Niger ranks 190th of 196 countries.
Where does this data come from?: Statizoid (derived), published as Annual articles published in scientific and technical journals, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Chad vs Niger: Annual articles published in scientific and technical journals, per. Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://reference.statizoid.com/compare/annual-articles-published-in-scientific-and-technical-journals-per-square-kilometre/chad/niger/

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About this data

Indicator: Annual articles published in scientific and technical journals, per square kilometre
Unit: units per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 196 places, 5,428 data points, 1996–2023
Last refreshed: 22 September 2026

Annual articles published in scientific and technical journals 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.