investments
Yes.
true
Social Security is an example of income redistribution by taking a small amount of earned income and storing it over time.
Citizens and corporations must pay income tax on all earned money, even if it is earned overseas.
Lisa's neighbors pay her to babysit their children.
Earned income is basically, income that you worked for, such as wages and self-employment income. Things that were a by-product of other activities, such as interest earned on your bank account (if you're lucky enough to have any...) is unearned income. Some things will surprise you what category they fit into. Unemployment benefits and alimony aren't earned income, even though you may feel like you worked for them. Rental income is also another example of unearned income. Disability income is considered earned income in most circumstances (although not all). For a more detailed explanation and examples, IRS Publication 596 gives some good examples for the earned income tax credit. That definition is the same for other things that require earned income, such as contributing to an IRA. IRS Pub 596: (See related Link)
Definitions: Earned income - is received from services performed. For example, wages, commisions, tips, and business income. Unearned income - is generally income that the does meet the definition of earned income. Examples include interest, dividends, rents, and royalties. Pensions and IRA distributions would fall into this category.
Medicare
Earned income credit
Your employer is not taxing your retention bonus. Your employer is following the IRS rules that say your bonus is earned income, and as such, it is taxed just like other earned income.
No, earned income has to come from wages or self-employment.
Yes any income that you work for would be earned income.