More like 6%, roughly in line with its population share (5.4%). Not sure if that includes air travel, international air travel often isn't included in national statistics. https://edgar.jrc.ec.europa.eu/report_2025
Whenever I see those statistics, I always find them very weird. Many of our products are made in China, but those are counted towards China's global emission, not Europe's. It also applies to the need of power generation for delocalized industry or importing food. A country handling a lot of industry will have a very high per-capita emission, but the people living there may actually have very low individual emissions.
If it's not significant, can I have 5% of your net worth?
If the EU mandated that products imported are made in a carbon neutral fashion, then importers of products will pay attention. Unfortunately it means higher prices, and the governments will get voted out of office by people voting for the populists selling the electoral promise of "Make Prices Low Again!"...
I like low prices, but I'm not looking forward to the chaos (political, social, what else) and deaths which I'm guessing will affect me within in the next 10 years.
The chaos is already here for us, the majority who are suffering the higher prices. Why do you think we're voting for the "extremist" parties? It's not because of "Russian propaganda", it's because life for the majority of us, normal Europeans, has become quite dreadful, economically and not only.
The EU is responsible for a lot more than that once you factor in emissions in other countries producing goods bought by people and businesses in EU countries.
You can cut all the city hopping you want and it won't make the slightest difference.