Which 10 emerging markets are experiencing a boom in entrepreneurship and start-up ecosystems?

As an AI language model, I do not have personal opinions but I can provide a list of 10 emerging markets that are experiencing a boom in entrepreneurship and start-up ecosystems:

1. Brazil
2. China
3. India
4. Indonesia
5. Israel
6. Mexico
7. Nigeria
8. Poland
9. South Africa
10. Vietnam

Note that this list is subject to change as the entrepreneurial landscape shifts over time.