A millionaire is an individual whose net worth is at least one million units of currency, typically measured in dollars. This wealth can come from various sources, including investments, real estate, business ownership, or inheritance. Being a millionaire often signifies financial stability and the ability to afford a comfortable lifestyle. The term is commonly associated with financial success and can be a goal for many people. Millionaires may invest their money to grow their wealth further, often seeking advice from financial advisors or using tools like stocks, bonds, and mutual funds to manage their assets effectively.