CBI programs are designed to attract foreign investors and entrepreneurs to invest in a country's economy in exchange for expedited citizenship or residency status.

St. Kitts and Nevis is one of the pioneer countries to offer a Citizenship by Investment program, established in 1984.

The minimum investment amount varies across different CBI programs, but it typically starts from around $100,000.

Real estate investment is a popular option under CBI programs, as it offers a tangible asset and potential returns on investment.

Citizenship by Investment programs offer a range of benefits, including visa-free travel, access to better healthcare and education, and enhanced business opportunities.

Portugal's Golden Visa program is an example of an Economic Citizenship program that grants residency and eventually citizenship to foreign investors meeting certain investment criteria.

Generally, Citizenship by Investment programs require a higher investment amount compared to Economic Citizenship programs.

Residency in the country for a specified period is a common requirement for Economic Citizenship programs.

Economic Citizenship programs typically offer a pathway to permanent residency, leading to eventual citizenship.

Germany is one of the few countries that generally does not allow dual citizenship.

Expatriation refers to the process of voluntarily giving up one's citizenship.

Individuals may renounce their citizenship for various reasons, including tax avoidance, political persecution, or the desire for a simpler life.

Naturalization refers to the process of acquiring citizenship in a new country.

Residency, passing a citizenship test, and proof of language proficiency are common requirements for naturalization in many countries.

Denaturalization refers to the involuntary loss of citizenship.