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

27 years are reported by both, from 1966 to 1992.

Where does this data come from?

Statizoid (derived), published as Emission Totals - Emissions (CH4) - Burning - Crop residues, per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Puerto Rico vs Singapore: Emission Totals - Emissions (CH4) - Burning - Crop residues, per unit

Puerto Rico

0 units per US$ of GDP

in 2019

Singapore

0 units per US$ of GDP

in 1992

Puerto Rico rank

173rd

Singapore rank

175th

Emission Totals - Emissions (CH4) - Burning - Crop residues, per unit over time

Puerto Rico
Singapore

How they compare

Puerto Rico currently reports 0 units per US$ of GDP against 0 units per US$ of GDP in Singapore, a difference of 0 units per US$ of GDP.

Across all 27 years both countries report, Puerto Rico has been ahead every year.

Puerto Rico ranks 173rd and Singapore ranks 175th of 180 countries.

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

Head to head by decade

Decade	Puerto Rico	Singapore	Difference	Ahead
1960s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Puerto Rico
1970s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Puerto Rico
1980s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Puerto Rico
1990s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Puerto Rico

Averages of every year both report within each decade.

Frequently asked questions

Which has higher emission totals - emissions (ch4) - burning - crop residues, per unit, Puerto Rico or Singapore?: Puerto Rico, at 0 units per US$ of GDP against 0 units per US$ of GDP in Singapore as of 2019.
What is the difference in emission totals - emissions (ch4) - burning - crop residues, per unit between Puerto Rico and Singapore?: 0 units per US$ of GDP, with Puerto Rico ahead.
How many years of comparable data are there for Puerto Rico and Singapore?: 27 years are reported by both, from 1966 to 1992.
How do Puerto Rico and Singapore rank globally for emission totals - emissions (ch4) - burning - crop residues, per unit?: Puerto Rico ranks 173rd and Singapore ranks 175th of 180 countries.
Where does this data come from?: Statizoid (derived), published as Emission Totals - Emissions (CH4) - Burning - Crop residues, per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Puerto Rico vs Singapore: Emission Totals - Emissions (CH4) - Burning - Crop residues, per unit. Statizoid, drawing on Statizoid (derived). Retrieved 23 September 2026, from https://reference.statizoid.com/compare/emission-totals-emissions-ch4-burning-crop-residues-per-unit-of-gdp/puerto-rico-us/singapore/

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<a href="https://reference.statizoid.com/compare/emission-totals-emissions-ch4-burning-crop-residues-per-unit-of-gdp/puerto-rico-us/singapore/">Puerto Rico vs Singapore: Emission Totals - Emissions (CH4) - Burning - Crop residues, per unit</a> — Statizoid

About this data

Indicator: Emission Totals - Emissions (CH4) - Burning - Crop residues, per unit of GDP
Unit: units per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 180 places, 8,821 data points, 1961–2019
Last refreshed: 30 August 2026

Emission Totals - Emissions (CH4) - Burning - Crop residues divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.