Obs'COP 24, the methodology
30 countries questioned in all 5 continents, representing 2/3 of the world’s population.
Survey conducted in Australia, Belgium, Brazil, Canada, Chile, China, Colombia, Czech Republic, Egypt, France, Germany, India, Indonesia, Italy, Japan, Mexico, Morocco, Nigeria, Norway, Poland, Saudi Arabia, Singapore, South Africa, South Korea, Spain, Sweden, Turkey, United Arab Emirates, United Kingdom, United States.*
Selection of countries mainly based on their CO₂ emissions per year, but also based on their geographic location or exemplariness in fighting climate change.
Total sample of 23 500 individuals, composed of 30 representative samples of the population aged 16 and over in each country.
The representativeness was insured using a quota method. Quotas used : gender, age, region, occupation, social category or status, city size.
500 or 1,000 individuals interrogated in each country.
Fieldwork executed by Internet (PC, tablet or mobile phone) between 27th August and 1st October 2024.
| Sample | Sample | Sample | |||
|---|---|---|---|---|---|
| Australia | 1,000 | Belgium | 1,000 | Brazil | 1,000 |
| Canada | 1,000 | Chile | 1,000 | China | 1,000 |
| Colombia | 500 | Czech Republic | 500 | Egypt | 500 |
| France | 1,000 | Germany | 1,000 | India | 1,000 |
| Indonesia | 500 | Italy | 1,000 | Japan | 1,000 |
| Mexico | 500 | Morocco | 500 | Nigeria | 500 |
| Norway | 500 | Poland | 500 | Saudi Arabia | 500 |
| Singapore | 500 | South Africa | 1,000 | South Korea | 1,000 |
| Spain | 1,000 | Sweden | 500 | Turkey | 1,000 |
| United Arab Emirates | 500 | United Kingdom | 1,000 | United States | 1,000 |
* Due to the geopolitical context, data is no longer available for Russia. That country has therefore been removed from the research scope.
In 2024, the Czech Republic was added to bolster the analysis on the European scale.