An investor visa allows individuals to live and work in a country by making a significant financial investment in the local economy. Here’s a general overview:

1. **Eligibility**: Applicants must typically invest a substantial amount of money in a business or economic venture. The exact amount varies by country and visa program.

2. **Types of Investments**: Investments can be in the form of starting a new business, purchasing an existing business, or contributing to specific industries or projects deemed beneficial by the host country.

3. **Requirements**: Applicants often need to prove the source of their funds, demonstrate a viable business plan, and meet other financial criteria set by the country.

4. **Benefits**: Investor visas often provide a path to permanent residency or citizenship, along with the ability to live, work, and potentially bring family members.