Sierra Leone vs Vatican: Countries subscribed to the Montreal Protocol

Sierra Leone
1 parties subscribed to Montreal Protocol
in 2022
Vatican
1 parties subscribed to Montreal Protocol
in 2022
Sierra Leone rank
1st
Vatican rank
1st

Countries subscribed to the Montreal Protocol over time

  • Sierra Leone
  • Vatican
00.20.40.60.81198520032022

How they compare

Sierra Leone currently reports 1 parties subscribed to Montreal Protocol against 1 parties subscribed to Montreal Protocol in Vatican, a difference of 0 parties subscribed to Montreal Protocol.

The two have swapped places 2 times across 38 shared years of data; in 1985 it was Vatican ahead.

Sierra Leone ranks 1st and Vatican ranks 1st of 196 countries.

Sierra Leone has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade Sierra Leone Vatican Difference Ahead
1980s 0 parties subscribed to Montreal Protocol 0 parties subscribed to Montreal Protocol 0 parties subscribed to Montreal Protocol —
1990s 0 parties subscribed to Montreal Protocol 0 parties subscribed to Montreal Protocol 0 parties subscribed to Montreal Protocol —
2000s 0.9 parties subscribed to Montreal Protocol 0.2 parties subscribed to Montreal Protocol 0.7 parties subscribed to Montreal Protocol Sierra Leone
2010s 1 parties subscribed to Montreal Protocol 1 parties subscribed to Montreal Protocol 0 parties subscribed to Montreal Protocol —
2020s 1 parties subscribed to Montreal Protocol 1 parties subscribed to Montreal Protocol 0 parties subscribed to Montreal Protocol —

Averages of every year both report within each decade.

Frequently asked questions

Which has higher countries subscribed to the montreal protocol, Sierra Leone or Vatican?
Sierra Leone, at 1 parties subscribed to Montreal Protocol against 1 parties subscribed to Montreal Protocol in Vatican as of 2022.
What is the difference in countries subscribed to the montreal protocol between Sierra Leone and Vatican?
0 parties subscribed to Montreal Protocol, with Sierra Leone ahead.
How many years of comparable data are there for Sierra Leone and Vatican?
38 years are reported by both, from 1985 to 2022.
How do Sierra Leone and Vatican rank globally for countries subscribed to the montreal protocol?
Sierra Leone ranks 1st and Vatican ranks 1st of 196 countries.
Where does this data come from?
UNEP (2023) – processed by Our World in Data, published as Countries subscribed to the Montreal Protocol. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sierra Leone vs Vatican: Countries subscribed to the Montreal Protocol. Statizoid, drawing on UNEP (2023) – processed by Our World in Data. Retrieved 28 September 2026, from https://reference.statizoid.com/compare/countries-to-montreal-protocol-and-vienna-convention/sierra-leone/vatican/

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<a href="https://reference.statizoid.com/compare/countries-to-montreal-protocol-and-vienna-convention/sierra-leone/vatican/">Sierra Leone vs Vatican: Countries subscribed to the Montreal Protocol</a> — Statizoid

About this data

Indicator
Countries subscribed to the Montreal Protocol
Unit
parties subscribed to Montreal Protocol
Source
UNEP (2023) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
196 places, 7,448 data points, 1985–2022
Last refreshed

Subscriptions to the Montreal Protocol (adopted in 1987) on substances that deplete the ozone layer. The protocol aims to reduce and eventually eliminate the emissions of man-made ozone-depleting substances.