EXHIBIT 32.2

                            SECTION 906 CERTIFICATION

     CERTIFICATION PURSUANT TO SECTION 1350 OF CHAPTER 63 OF TITLE 18 OF THE
                               UNITED STATES CODE

      I, William J. Wheeler, the Chief Financial Officer of MetLife, Inc. (the
"Company"), certify that (i) the Company's Quarterly Report on Form 10-Q for the
quarter ended March 31, 2006 (the "Form 10-Q") fully complies with the
requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934
and (ii) the information contained in the Form 10-Q fairly presents, in all
material respects, the financial condition and results of operations of the
Company.

Date: May 8, 2006
                                                By:  /s/ William J. Wheeler
                                                   ----------------------------
                                                        William J. Wheeler
                                                   Executive Vice President and
                                                     Chief Financial Officer

      A signed original of this written statement required by Section 906 has
been provided to MetLife, Inc. and will be retained by MetLife, Inc. and
furnished to the Securities and Exchange Commission or its staff upon request.