If I had to rank the countries in regards to DE blade quality:
Only talking currently available blades, so England, France, Brazil, and Poland are not included.
1. Russia
2. Israel
3. India
4. Egypt
5. USA
6. Japan
7. Vietnam
8. Czech Republic
9. Greece
10. South Korea
11. Germany
12. Turkey
13. Pakistan
14. China
Bangladesh make blades as well, although I have never tried any of them or seen reviews (I think its just Sharp, Champion and Clifton blades after a quick google)