Final answer:
Four common sources of retirement income are Social Security, pension plans, savings and investments, and inheritance.
Step-by-step explanation:
Four common sources of retirement income are:
- Social Security: This is a government program that provides income to retirees based on their work history and contributions into the program.
- Pension plans: These are retirement plans provided by employers that guarantee a fixed income to retirees based on their years of service and salary.
- Savings and investments: Individuals can save money in various ways, such as through savings accounts, investments in stocks and bonds, and annuities.
- Inheritance: Some individuals receive retirement income through inheritance, which is money or assets that are passed down to them.