<ARTICLE> 5
<LEGEND> This schedule contains summary financial information extracted from
SEC Form 10-Q and is qualified in its entirety by reference to such financial
statements.
</LEGEND>
<CIK>      0001063761
<NAME>     SIMON PROPERTY GROUP, INC.
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                         DEC-31-1999
<PERIOD-START>                            JAN-01-1999
<PERIOD-END>                              SEP-30-1999
<CASH>                                         96,057
<SECURITIES>                                        0
<RECEIVABLES>                                 262,842<F1>
<ALLOWANCES>                                        0
<INVENTORY>                                         0
<CURRENT-ASSETS>                                    0<F2>
<PP&E>                                     12,606,369
<DEPRECIATION>                              (996,550)
<TOTAL-ASSETS>                             13,861,642
<CURRENT-LIABILITIES>                               0<F2>
<BONDS>                                     8,541,538
<PREFERRED-MANDATORY>                               0
<PREFERRED>                                   518,596
<COMMON>                                           18
<OTHER-SE>                                  2,718,093
<TOTAL-LIABILITY-AND-EQUITY>               13,861,642<F3>
<SALES>                                             0
<TOTAL-REVENUES>                            1,373,814
<CGS>                                               0
<TOTAL-COSTS>                                 745,421
<OTHER-EXPENSES>                                    0
<LOSS-PROVISION>                                6,822
<INTEREST-EXPENSE>                            428,148
<INCOME-PRETAX>                               212,034
<INCOME-TAX>                                  212,034
<INCOME-CONTINUING>                           212,034
<DISCONTINUED>                                      0
<EXTRAORDINARY>                               (2,227)
<CHANGES>                                           0
<NET-INCOME>                                  144,392
<EPS-BASIC>                                       .68
<EPS-DILUTED>                                     .68
<FN>
<F1> Receivables are stated net of allowances.
<F2> The Company does not report using a classified balance sheet.
<F3> Includes limited partner's interest in the SPG Operating Partnership,
     limited partners' preferred interest in the SPG Operating Partnership and
     preferred stock of subsidiary of $999,550; $86,154 and $339,530,
     respectively.
</FN>