Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. A Social Security number (SSN) is a numerical ID for U.S. citizens and residents to track ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Aim to replace 80% of your pre-retirement income to maintain lifestyle post-retirement. Factor in income from Social Security and pensions, not just savings, for retirement funds. Use the 4% rule to ...