What is the difference in pm exposure 1990 2017, per capita between Niger and Puerto Rico?

0 units per person, with Niger ahead.

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

34 years are reported by both, from 1990 to 2023.

Where does this data come from?

Statizoid (derived), published as Pm exposure 1990 2017, per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Niger vs Puerto Rico: Pm exposure 1990 2017, per capita

Niger

0 units per person

in 2023

Puerto Rico

0 units per person

in 2023

Niger rank

102nd

Puerto Rico rank

103rd

Pm exposure 1990 2017, per capita over time

Niger
Puerto Rico

How they compare

Niger currently reports 0 units per person against 0 units per person in Puerto Rico, a difference of 0 units per person.

The two have swapped places 2 times across 34 shared years of data; in 1990 it was Niger ahead.

Niger ranks 102nd and Puerto Rico ranks 103rd of 200 countries.

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

Head to head by decade

Decade	Niger	Puerto Rico	Difference	Ahead
1990s	0 units per person	0 units per person	0 units per person	Niger
2000s	0 units per person	0 units per person	0 units per person	Niger
2010s	0 units per person	0 units per person	0 units per person	Niger
2020s	0 units per person	0 units per person	0 units per person	Niger

Averages of every year both report within each decade.

Frequently asked questions

Which has higher pm exposure 1990 2017, per capita, Niger or Puerto Rico?: Niger, at 0 units per person against 0 units per person in Puerto Rico as of 2023.
What is the difference in pm exposure 1990 2017, per capita between Niger and Puerto Rico?: 0 units per person, with Niger ahead.
How many years of comparable data are there for Niger and Puerto Rico?: 34 years are reported by both, from 1990 to 2023.
How do Niger and Puerto Rico rank globally for pm exposure 1990 2017, per capita?: Niger ranks 102nd and Puerto Rico ranks 103rd of 200 countries.
Where does this data come from?: Statizoid (derived), published as Pm exposure 1990 2017, per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Niger vs Puerto Rico: Pm exposure 1990 2017, per capita. Statizoid, drawing on Statizoid (derived). Retrieved 15 November 2026, from https://reference.statizoid.com/compare/pm-exposure-1990-2017-per-capita/niger/puerto-rico-us/

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<a href="https://reference.statizoid.com/compare/pm-exposure-1990-2017-per-capita/niger/puerto-rico-us/">Niger vs Puerto Rico: Pm exposure 1990 2017, per capita</a> — Statizoid

About this data

Indicator: Pm exposure 1990 2017, per capita
Unit: units per person
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 200 places, 6,800 data points, 1990–2023
Last refreshed: 27 October 2026

Pm exposure 1990 2017 divided by Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.