Portugal vs Saint Kitts and Nevis: Cumulative CO₂ emissions, per square kilometre

Portugal
29,824 tonnes per square kilometre
in 2023
Saint Kitts and Nevis
29,904 tonnes per square kilometre
in 2023
Portugal rank
58th
Saint Kitts and Nevis rank
57th

Cumulative CO₂ emissions, per square kilometre over time

  • Portugal
  • Saint Kitts and Nevis
010.0k20.0k30.0k196119922023

How they compare

Saint Kitts and Nevis currently reports 29,904 tonnes per square kilometre against 29,824 tonnes per square kilometre in Portugal, a difference of 80 tonnes per square kilometre.

The two have swapped places 1 time across 63 shared years of data; in 1961 it was Portugal ahead.

Portugal ranks 58th and Saint Kitts and Nevis ranks 57th of 204 countries.

Portugal has averaged higher in every one of the 7 decades both report.

Head to head by decade

Decade Portugal Saint Kitts and Nevis Difference Ahead
1960s 3,615 tonnes per square kilometre 595.55 tonnes per square kilometre 3,020 tonnes per square kilometre Portugal
1970s 5,302 tonnes per square kilometre 1,359 tonnes per square kilometre 3,943 tonnes per square kilometre Portugal
1980s 8,121 tonnes per square kilometre 3,604 tonnes per square kilometre 4,517 tonnes per square kilometre Portugal
1990s 12,725 tonnes per square kilometre 7,106 tonnes per square kilometre 5,619 tonnes per square kilometre Portugal
2000s 19,463 tonnes per square kilometre 13,532 tonnes per square kilometre 5,931 tonnes per square kilometre Portugal
2010s 25,590 tonnes per square kilometre 21,968 tonnes per square kilometre 3,623 tonnes per square kilometre Portugal
2020s 29,184 tonnes per square kilometre 28,475 tonnes per square kilometre 709.08 tonnes per square kilometre Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher cumulative co₂ emissions, per square kilometre, Portugal or Saint Kitts and Nevis?
Saint Kitts and Nevis, at 29,904 tonnes per square kilometre against 29,824 tonnes per square kilometre in Portugal as of 2023.
What is the difference in cumulative co₂ emissions, per square kilometre between Portugal and Saint Kitts and Nevis?
80 tonnes per square kilometre, with Saint Kitts and Nevis ahead.
How many years of comparable data are there for Portugal and Saint Kitts and Nevis?
63 years are reported by both, from 1961 to 2023.
How do Portugal and Saint Kitts and Nevis rank globally for cumulative co₂ emissions, per square kilometre?
Portugal ranks 58th and Saint Kitts and Nevis ranks 57th of 204 countries.
Where does this data come from?
Statizoid (derived), published as Cumulative CO₂ emissions, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

Portugal vs Saint Kitts and Nevis: Cumulative CO₂ emissions, per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://climate.statizoid.com/compare/cumulative-co2-emissions-per-square-kilometre/portugal/st-kitts-and-nevis/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under Derived by Statizoid from the sources named on the page; please keep the attribution.

<a href="https://climate.statizoid.com/compare/cumulative-co2-emissions-per-square-kilometre/portugal/st-kitts-and-nevis/">Portugal vs Saint Kitts and Nevis: Cumulative CO₂ emissions, per square kilometre</a> — Statizoid

About this data

Indicator
Cumulative CO₂ emissions, per square kilometre
Unit
tonnes per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
204 places, 11,422 data points, 1961–2023
Last refreshed

Cumulative CO₂ emissions 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.