Why is Sweden not in the EU?

Related questions

1. How much does UK pay to EU?
2. Why did UK join EU?
3. Can I use credit card in Sweden?
4. Has anyone else left the EU?
5. Has Sweden left the EU?
6. Is Sweden a member of the European Union?
7. Is there a hard border between Norway and Sweden?
8. How much does the UK pay the EU?
9. Is Iceland closer to Canada or Europe?
10. Why Sweden has no euro?

Tags

1. #conditions
2. #states
3. #plans
4. #accession
5. #maastricht
6. #eurozone
7. #subject
8. #treaty
9. #which
10. #replace
11. #currently
12. #sweden
13. #necessary
14. #obliges
15. #krona
16. #future
17. #currency