Sierra Leone vs Syria: Per capita nitrous oxide emissions

Sierra Leone
0.169 tonnes of CO₂ equivalents per person
in 2024
Syria
0.1648 tonnes of CO₂ equivalents per person
in 2024
Sierra Leone rank
156th
Syria rank
159th

Per capita nitrous oxide emissions over time

  • Sierra Leone
  • Syria
00.10.20.30.4185019372024

How they compare

Sierra Leone currently reports 0.169 tonnes of CO₂ equivalents per person against 0.1648 tonnes of CO₂ equivalents per person in Syria, a difference of 0.0042 tonnes of CO₂ equivalents per person.

The two have swapped places 11 times across 175 shared years of data; in 1850 it was Syria ahead.

Sierra Leone ranks 156th and Syria ranks 159th of 201 countries.

Across the 18 decades both report, Sierra Leone averaged higher in 4 and Syria in 14.

Head to head by decade

Decade Sierra Leone Syria Difference Ahead
1850s 0.0506 tonnes of CO₂ equivalents per person 0.0519 tonnes of CO₂ equivalents per person 0.0012 tonnes of CO₂ equivalents per person Syria
1860s 0.0513 tonnes of CO₂ equivalents per person 0.0535 tonnes of CO₂ equivalents per person 0.0022 tonnes of CO₂ equivalents per person Syria
1870s 0.0577 tonnes of CO₂ equivalents per person 0.0643 tonnes of CO₂ equivalents per person 0.0066 tonnes of CO₂ equivalents per person Syria
1880s 0.0673 tonnes of CO₂ equivalents per person 0.081 tonnes of CO₂ equivalents per person 0.0137 tonnes of CO₂ equivalents per person Syria
1890s 0.0713 tonnes of CO₂ equivalents per person 0.0854 tonnes of CO₂ equivalents per person 0.0141 tonnes of CO₂ equivalents per person Syria
1900s 0.0763 tonnes of CO₂ equivalents per person 0.0842 tonnes of CO₂ equivalents per person 0.0079 tonnes of CO₂ equivalents per person Syria
1910s 0.0902 tonnes of CO₂ equivalents per person 0.0804 tonnes of CO₂ equivalents per person 0.0097 tonnes of CO₂ equivalents per person Sierra Leone
1920s 0.1128 tonnes of CO₂ equivalents per person 0.0907 tonnes of CO₂ equivalents per person 0.0221 tonnes of CO₂ equivalents per person Sierra Leone
1930s 0.108 tonnes of CO₂ equivalents per person 0.1226 tonnes of CO₂ equivalents per person 0.0145 tonnes of CO₂ equivalents per person Syria
1940s 0.1883 tonnes of CO₂ equivalents per person 0.179 tonnes of CO₂ equivalents per person 0.0093 tonnes of CO₂ equivalents per person Sierra Leone
1950s 0.2431 tonnes of CO₂ equivalents per person 0.2189 tonnes of CO₂ equivalents per person 0.0243 tonnes of CO₂ equivalents per person Sierra Leone
1960s 0.204 tonnes of CO₂ equivalents per person 0.2553 tonnes of CO₂ equivalents per person 0.0514 tonnes of CO₂ equivalents per person Syria
1970s 0.2072 tonnes of CO₂ equivalents per person 0.2943 tonnes of CO₂ equivalents per person 0.0871 tonnes of CO₂ equivalents per person Syria
1980s 0.1934 tonnes of CO₂ equivalents per person 0.3414 tonnes of CO₂ equivalents per person 0.1481 tonnes of CO₂ equivalents per person Syria
1990s 0.1749 tonnes of CO₂ equivalents per person 0.3172 tonnes of CO₂ equivalents per person 0.1423 tonnes of CO₂ equivalents per person Syria
2000s 0.1741 tonnes of CO₂ equivalents per person 0.2951 tonnes of CO₂ equivalents per person 0.1211 tonnes of CO₂ equivalents per person Syria
2010s 0.1905 tonnes of CO₂ equivalents per person 0.2063 tonnes of CO₂ equivalents per person 0.0159 tonnes of CO₂ equivalents per person Syria
2020s 0.1659 tonnes of CO₂ equivalents per person 0.1763 tonnes of CO₂ equivalents per person 0.0104 tonnes of CO₂ equivalents per person Syria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher per capita nitrous oxide emissions, Sierra Leone or Syria?
Sierra Leone, at 0.169 tonnes of CO₂ equivalents per person against 0.1648 tonnes of CO₂ equivalents per person in Syria as of 2024.
What is the difference in per capita nitrous oxide emissions between Sierra Leone and Syria?
0.0042 tonnes of CO₂ equivalents per person, with Sierra Leone ahead.
How many years of comparable data are there for Sierra Leone and Syria?
175 years are reported by both, from 1850 to 2024.
How do Sierra Leone and Syria rank globally for per capita nitrous oxide emissions?
Sierra Leone ranks 156th and Syria ranks 159th of 201 countries.
Where does this data come from?
Jones et al. (2025); Population based on various sources (2024) – with major processing by Our World in Data, published as Per capita nitrous oxide emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator
Per capita nitrous oxide emissions
Unit
tonnes of CO₂ equivalents per person
Source
Jones et al. (2025); Population based on various sources (2024) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
201 places, 34,339 data points, 1850–2024
Last refreshed

Measured in tonnes per person of carbon dioxide-equivalents over a 100-year timescale.