UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    Form 13F

                               FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: DECEMBER 31, 2005

Check here if Amendment |_|; Amendment Number:_____________
This Amendment (Check only one.): |_| is a restatement.
                                  |_| adds new holdings entries.

Institutional Investment Manager Filing this Report:

Name:    ALLSTATE LIFE INSURANCE COMPANY
Address: 3075 SANDERS ROAD, SUITE G4A
         NORTHBROOK, IL. 60062-7127

Form 13F File Number:   28-01037

The institutional manager filing this report and the person by whom it is signed
hereby represent that the person signing the report is authorized to submit it,
that all information contained herein is true, correct and complete, and that it
is understood that all required items, statements, schedules, lists, and tables,
are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:

Name:  JAMES ZILS
Title: VICE PRESIDENT INVESTMENT OPERATIONS
Phone: 847-402-3073

Signature, Place, and Date of Signing:


      /s/ JAMES ZILS                     NORTHBROOK, IL.          2/9/2006
      --------------------------     --------------------    ----------------
             [Signature]                  [City, State]           [Date]

Report Type (Check only one.):

|X|   13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager
      are reported in this report.)

|_|   13F NOTICE. (Check here if no holdings reported are in this report, and
      all holdings are reported by other reporting manager(s).).)

|_|   13F COMBINATION REPORT. (Check here if a portion of the holdings for this
      reporting manager are reported in this report and a portion are reported
      by other reporting manager(s).)

List of Other Managers Reporting for this Manager:

FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: ONE Form 13F Information Table Entry Total: 81 Form 13F Information Table Value Total: 322,978 (THOUSAND) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. [If there are no entries in this list, state "NONE" and omit the column headings and list entries.] No. Form 13F File Number Name 1 028-10298 ALLSTATE INVESTMENTS LLC

FORM 13F REPORT NAME OF REPORTING MANAGER: ALLSTATE LIFE INSURANCE COMPANY TITLE OF VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE - ----------------------- -------- --------- -------- ------- --- ---- ------- -------- ----- ------ ------ DUKE ENERGY CORP COMMON 264399106 1,922 70,000 SH DEFINED 1 X JOHNSON & JOHNSON COMMON 478160104 992 16,500 SH DEFINED 1 X PPL CORPORATION COMMON 69351T106 1,764 60,000 SH DEFINED 1 X TRAVELERS PPTY CASUALTY REDEEMABLE P/S 89420G307 8,827 356,500 SH DEFINED 1 X 3M COMPANY 0% 11/21/2032 DEBT 88579YAB7 4,177 4,700,000 PRN DEFINED 1 X AFFILIATED MANAGERS GRP 0% 05/07/2021 DEBT 008252AC2 1,403 1,000,000 PRN DEFINED 1 X AFFILIATED MANAGERS GRP 2.793750% 02/25/2033 DEBT 008252AE8 664 350,000 PRN DEFINED 1 X ALLERGAN INC 0% 11/06/2022 DEBT 018490AE2 740 600,000 PRN DEFINED 1 X ALZA CORP 0% 07/28/2020 DEBT 02261WAB5 3,383 4,100,000 PRN DEFINED 1 X AMDOCS LIMITED .500000% 03/15/2024 DEBT 02342TAD1 3,809 4,250,000 PRN DEFINED 1 X AMERICAN EXPRESS 1.850000% 12/01/2033 DEBT 025816AS8 7,694 7,250,000 PRN DEFINED 1 X AMERICAN INTL GROUP .500000% 05/15/2007 DEBT 026874AN7 3,321 3,500,000 PRN DEFINED 1 X AMERICAN INTL GROUP 0% 11/09/2031 DEBT 026874AP2 7,016 10,375,000 PRN DEFINED 1 X AMGEN INC 0% 03/01/2032 DEBT 031162AL4 5,850 7,500,000 PRN DEFINED 1 X AON CORP 3.500000% 11/15/2012 DEBT 037389AT0 507 300,000 PRN DEFINED 1 X ARROW ELECTRONIC INC 0% 02/21/2021 DEBT 042735AY6 1,916 3,500,000 PRN DEFINED 1 X AXCAN PHARMA INC 4.250000% 04/15/2008 DEBT 054923AB3 396 350,000 PRN DEFINED 1 X BAUSCH & LOMB INC 4.421880% 08/01/2023 DEBT 071707AM5 2,693 2,000,000 PRN DEFINED 1 X BLACKROCK INC 2.625000% 02/15/2035 DEBT 09247XAB7 2,310 2,000,000 PRN DEFINED 1 X CARNIVAL CORP 1.132000% 04/29/2033 DEBT 143658AV4 6,673 8,500,000 PRN DEFINED 1 X CARNIVAL CORP 2.000000% 04/15/2021 DEBT 143658AN2 2,475 1,800,000 PRN DEFINED 1 X CBRL GROUP INC 0% 04/03/2032 DEBT 12489VAB2 1,610 3,500,000 PRN DEFINED 1 X CENTERPOINT ENERGY INC 3.750000% 05/15/2023 DEBT 15189TAM9 2,820 2,400,000 PRN DEFINED 1 X CENTURYTEL INC 4.750000% 08/01/2032 DEBT 156700AH9 2,033 2,000,000 PRN DEFINED 1 X CHIRON CORP 1.625000% 08/01/2033 DEBT 170040AG4 4,913 5,000,000 PRN DEFINED 1 X COOPER CAMERON CORP 1.500000% 05/15/2024 DEBT 216640AE2 1,305 1,000,000 PRN DEFINED 1 X COSTCO WHOLESALE CORP 0% 08/19/2017 DEBT 22160QAC6 5,619 5,000,000 PRN DEFINED 1 X CSX CORP 0% 10/30/2021 DEBT 126408GA5 6,733 7,050,000 PRN DEFINED 1 X DANAHER CORP 0% 01/22/2021 DEBT 235851AF9 6,159 7,500,000 PRN DEFINED 1 X DEVON ENERGY CORPORATION 4.900000% 08/15/2008 DEBT 25179MAA1 7,771 6,750,000 PRN DEFINED 1 X DEVON ENERGY CORPORATION 4.950000% 08/15/2008 DEBT 25179MAB9 1,266 1,100,000 PRN DEFINED 1 X DIAMOND OFFSHORE DRILL 1.500000% 04/15/2031 DEBT 25271CAE2 4,294 3,000,000 PRN DEFINED 1 X DOMINION RESOURCES INC 2.125000% 12/15/2023 DEBT 25746UAT6 5,723 5,250,000 PRN DEFINED 1 X ELECTRONCIS FOR IMAGING 1.500000% 06/01/2023 DEBT 286082AA0 1,383 1,250,000 PRN DEFINED 1 X FLUOR CORP 1.500000% 02/15/2024 DEBT 343412AA0 2,853 2,000,000 PRN DEFINED 1 X FOUR SEASONS HTL 1.875000% 07/30/2024 DEBT 35100EAE4 970 1,000,000 PRN DEFINED 1 X FRANKLIN RESOURCES INC 0% 05/11/2031 DEBT 354613AC5 4,854 5,500,000 PRN DEFINED 1 X GATX CORP 7.500000% 02/01/2007 DEBT 361448AC7 1,753 1,500,000 PRN DEFINED 1 X GENZYME CORP 1.250000% 12/01/2023 DEBT 372917AN4 3,104 2,750,000 PRN DEFINED 1 X HARRIS CORP 3.500000% 08/15/2022 DEBT 413875AH8 1,059 550,000 PRN DEFINED 1 X HASBRO INC 2.750000% 12/01/2021 DEBT 418056AN7 1,061 1,000,000 PRN DEFINED 1 X HCC INSURANCE HOLDINGS 1.300000% 04/01/2023 DEBT 404132AB8 4,832 3,650,000 PRN DEFINED 1 X HEALTH MANAGEMENT ASSOC 1.500000% 08/01/2023 DEBT 421933AF9 3,004 3,000,000 PRN DEFINED 1 X HEWLETT-PACKARD CO 0% 10/14/2017 DEBT 428236AC7 3,231 5,500,000 PRN DEFINED 1 X HILTON HOTELS CORP 3.375000% 04/15/2023 DEBT 432848AZ2 6,175 5,250,000 PRN DEFINED 1 X INCO LTD 1.094300% 03/14/2023 DEBT 453258AT2 4,245 3,000,000 PRN DEFINED 1 X INTL GAME TECHNOLOGY 0% 01/29/2033 DEBT 459902AL6 5,996 9,000,000 PRN DEFINED 1 X INTL PAPER CO 0% 06/20/2021 DEBT 460146BM4 6,956 12,450,000 PRN DEFINED 1 X IVAX CORP 4.500000% 05/15/2008 DEBT 465823AG7 3,023 3,000,000 PRN DEFINED 1 X KELLWOOD CO 3.500000% 06/15/2034 DEBT 488044AF5 1,595 2,000,000 PRN DEFINED 1 X LABORATORY CP DEBT 50540RAC6 2,288 3,000,000 PRN DEFINED 1 X LEHMAN BROTHERS HOLDINGS .250000% 05/08/2010 DEBT 524908FN5 1,833 2,000,000 PRN DEFINED 1 X LEHMAN BROTHERS HOLDINGS .250000% 09/26/2008 DEBT 524908NW6 2,104 2,000,000 PRN DEFINED 1 X LEHMAN BROTHERS HOLDINGS 1.000000% 09/07/2012 DEBT 524908NU0 2,006 2,000,000 PRN DEFINED 1 X LEHMAN BROTHERS HOLDINGS 1.600000% 11/05/2011 DEBT 524908ML1 2,711 3,000,000 PRN DEFINED 1 X LIBERTY MEDIA CORP 3.250000% 03/15/2031 DEBT 530715AR2 2,348 3,115,000 PRN DEFINED 1 X LOCKHEED MARTIN CORP 3.018130% 08/15/2033 DEBT 539830AP4 7,571 7,100,000 PRN DEFINED 1 X LOWE'S COMPANIES INC .861000% 10/19/2021 DEBT 548661CG0 7,540 6,500,000 PRN DEFINED 1 X MASCO CORP 0% 07/20/2031 DEBT 574599BB1 7,280 16,000,000 PRN DEFINED 1 X MEDIMMUNE INC 1.000000% 07/15/2023 DEBT 584699AE2 3,900 4,000,000 PRN DEFINED 1 X MEDTRONIC INC 1.250000% 09/15/2021 DEBT 585055AD8 11,441 11,300,000 PRN DEFINED 1 X MERRILL LYNCH & CO 0% 03/13/2032 DEBT 590188W46 10,918 10,300,000 PRN DEFINED 1 X NABORS INDUSTRIES INC 0% 06/15/2023 DEBT 629568AL0 1,179 1,000,000 PRN DEFINED 1 X NEWS AMERICA INC 0% 02/28/2021 DEBT 652482AZ3 6,169 10,500,000 PRN DEFINED 1 X NEXTEL COMMUNIC DEBT 65332VAY9 7,241 7,250,000 PRN DEFINED 1 X ODYSSEY RE HOLDINGS 4.375000% 06/15/2022 DEBT 67612WAB4 881 750,000 PRN DEFINED 1 X OMNICOM GROUP 0% 06/15/2033 DEBT 681919AR7 8,351 8,500,000 PRN DEFINED 1 X PLACER DOME INC 2.750000% 10/15/2023 DEBT 725906AK7 1,847 1,500,000 PRN DEFINED 1 X PMI GROUP INC 2.500000% 07/15/2021 DEBT 69344MAE1 5,138 5,000,000 PRN DEFINED 1 X REEBOK INTL LTD 2.000000% 05/01/2024 DEBT 758110AH3 2,258 2,000,000 PRN DEFINED 1 X SCHLUMBERGER LIMITED 2.125000% 06/01/2023 DEBT 806857AD0 1,295 1,000,000 PRN DEFINED 1 X SLM CORP 3.110630% 07/25/2035 DEBT 78442PAC0 5,118 5,000,000 PRN DEFINED 1 X ST JUDE MEDICAL INC 2.800000% 12/15/2035 DEBT 790849AB9 1,494 1,500,000 PRN DEFINED 1 X TEVA PHARMACEUT FIN BV .375000% 11/15/2022 DEBT 88164MAB4 4,400 2,200,000 PRN DEFINED 1 X TEVA PHARMACEUT FIN LLC .250000% 02/01/2024 DEBT 88164RAB3 3,611 2,900,000 PRN DEFINED 1 X TJX COMPANIES INC 0% 02/13/2021 DEBT 872540AL3 5,791 7,250,000 PRN DEFINED 1 X TRANSOCEAN INC 1.500000% 05/15/2021 DEBT 893830AD1 3,191 3,000,000 PRN DEFINED 1 X TYCO INTL GROUP SA 3.125000% 01/15/2023 DEBT 902118BG2 10,764 7,900,000 PRN DEFINED 1 X UNIVERSAL HEALTH SVCS .426000% 06/23/2020 DEBT 913903AL4 4,123 7,250,000 PRN DEFINED 1 X WALT DISNEY COMPANY 2.125000% 04/15/2023 DEBT 254687AU0 11,000 11,000,000 PRN DEFINED 1 X WYETH 2.390000% 01/15/2024 DEBT 983024AD2 2,321 2,250,000 PRN DEFINED 1 X - ------------------------------------------------------------------- ------------- "STOCK" 4 13,504 503,000 - ------------------------------------------------------------------- ------------- DEBT 77 309,474 332,090,000 - ------------------------------------------------------------------- ------------- REPORT TOTALS 81 322,978 332,593,000 - ------------------------------------------------------------------- -------------