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

30 years are reported by both, from 1961 to 1990.

Where does this data come from?

Statizoid (derived), published as Emission Totals - Direct emissions (N2O) - Crop Residues, per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Hong Kong vs Puerto Rico: Emission Totals - Direct emissions (N2O) - Crop Residues, per unit of

Hong Kong

0 units per US$ of GDP

in 1990

Puerto Rico

0 units per US$ of GDP

in 2019

Hong Kong rank

170th

Puerto Rico rank

170th

Emission Totals - Direct emissions (N2O) - Crop Residues, per unit of over time

Hong Kong
Puerto Rico

How they compare

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

The two have swapped places 1 time across 30 shared years of data; in 1961 it was Hong Kong ahead.

Hong Kong ranks 170th and Puerto Rico ranks 170th of 181 countries.

Across the 4 decades both report, Hong Kong averaged higher in 2 and Puerto Rico in 2.

Head to head by decade

Decade	Hong Kong	Puerto Rico	Difference	Ahead
1960s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Hong Kong
1970s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Hong Kong
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 - direct emissions (n2o) - crop residues, per unit of, Hong Kong or Puerto Rico?: Hong Kong, at 0 units per US$ of GDP against 0 units per US$ of GDP in Puerto Rico as of 1990.
What is the difference in emission totals - direct emissions (n2o) - crop residues, per unit of between Hong Kong and Puerto Rico?: 0 units per US$ of GDP, with Hong Kong ahead.
How many years of comparable data are there for Hong Kong and Puerto Rico?: 30 years are reported by both, from 1961 to 1990.
How do Hong Kong and Puerto Rico rank globally for emission totals - direct emissions (n2o) - crop residues, per unit of?: Hong Kong ranks 170th and Puerto Rico ranks 170th of 181 countries.
Where does this data come from?: Statizoid (derived), published as Emission Totals - Direct emissions (N2O) - 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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Hong Kong vs Puerto Rico: Emission Totals - Direct emissions (N2O) - Crop Residues, per unit of. Statizoid, drawing on Statizoid (derived). Retrieved 23 September 2026, from https://reference.statizoid.com/compare/emission-totals-direct-emissions-n2o-crop-residues-per-unit-of-gdp/hong-kong-sar-china/puerto-rico-us/

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<a href="https://reference.statizoid.com/compare/emission-totals-direct-emissions-n2o-crop-residues-per-unit-of-gdp/hong-kong-sar-china/puerto-rico-us/">Hong Kong vs Puerto Rico: Emission Totals - Direct emissions (N2O) - Crop Residues, per unit of</a> — Statizoid

About this data

Indicator: Emission Totals - Direct emissions (N2O) - 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: 181 places, 8,924 data points, 1961–2019
Last refreshed: 05 September 2026

Emission Totals - Direct emissions (N2O) - 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.