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Form 10 - K ( Mark One ) ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 or TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 200 Park Avenue , New York , NY ( Address of principal executive offices ) Delaware ( State or other jurisdiction of incorporation or organization ) Securities registered pursuant to Section 12 ( b ) of the Act : Title of each class Common Stock , par value $ 0.01 Floating Rate Non - Cumulative Preferred Stock , Series A , par value $ 0.01 Depositary Shares each representing a 1 / 1,000th interest in a share of 5.625 % Non - Cumulative Preferred Stock , Series E Depositary Shares , each representing a 1 / 1,000th interest in a share of 4.75 % Non - Cumulative Preferred Stock , Series F For the fiscal year ended December 31 , 2020 Large accelerated filer Non - accelerated filer For the transition period from to Commission file number : 001-15787 MetLife , Inc. ( Exact name of registrant as specified in its charter ) ( 212 ) 578-9500 ( Registrant's telephone number , including area code ) Trading Symbol ( s ) . MET MET PRA MET PRE MET PRF Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes þ No Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15 ( d ) of the Act . Yes " No p Indicate by check mark whether the registrant : ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes þ No Securities registered pursuant to Section 12 ( g ) of the Act : Fixed - to - Floating Rate Non - Cumulative Preferred Stock , Series C , par value $ 0.01 Fixed - to - Floating Rate Non - Cumulative Preferred Stock , Series D , par value $ 0.01 Fixed Rate Reset Non - Cumulative Preferred Stock , Series G , par value $ 0.01 Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T ( § 232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Yes þ No 13-4075851 ( I.R.S. Employer Identification No. ) 10166-0188 ( Zip Code ) Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a smaller reporting company , or an emerging growth company . See the definitions of " large accelerated filer , " " accelerated filer , " " smaller reporting company , " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . р Name of each exchange on which registered New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange 0 Accelerated filer Smaller reporting company 0 Emerging growth company If an emerging growth company , indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13 ( a ) of the Exchange Act . ** Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404 ( b ) of the Sarbanes - Oxley Act by the registered public accounting firm that prepared or issued its audit report . Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . Yes □ No þ The aggregate market value of the voting and non - voting common equity held by non - affiliates of the registrant at June 30 , 2020 was approximately $ 33.1 billion . At February 12 , 2021 , 884,399,222 shares of the registrant's common stock were outstanding . DOCUMENTS INCORPORATED BY REFERENCE Part III of this Form 10 - K incorporates by reference certain information from the registrant's definitive proxy statement for the Annual Meeting of Shareholders to be held on June 15 , 2021 , to be filed by the registrant with the Securities and Exchange Commission pursuant to Regulation 14A not later than 120 days after the year ended December 31 , 2020 .