Social Security in the U.S. is often the most significant income program available for the elderly. When looking at replacement income for prior earnings, note that the United States ranks 26th on the list, while Greece is 3rd. What are some of the causes of this variance? Keep in mind that Greece has recently had its national debt restructured by the European Union to avoid national bankruptcy. What is the role of its Public Pension Replacement Rates on its debt burden? Support your reasoning with information from at least two other academic resources. Make sure to cite your sources in the text and on the reference page in proper APA format. Your paper must be two double-spaced pages in length.