PAGE 1 000 B000000 12/31/2005 000 C000000 0001159040 000 D000000 N 000 E000000 NF 000 F000000 Y 000 G000000 N 000 H000000 N 000 I000000 6.1 000 J000000 A 001 A000000 BLACKROCK MUNICIPAL 2018 TERM TRUST 001 B000000 811-10501 001 C000000 8888252257 002 A000000 100 BELLEVUE PARKWAY 002 B000000 WILMINGTON 002 C000000 DE 002 D010000 19809 003 000000 N 004 000000 N 005 000000 N 006 000000 N 007 A000000 N 007 B000000 0 007 C010100 1 008 A000001 BLACKROCK ADVISORS, INC. 008 B000001 A 008 C000001 801-47710 008 D010001 WILMINGTON 008 D020001 DE 008 D030001 19809 008 A000002 BLACKROCK FINANCIAL MANAGEMENT,INC. 008 B000002 S 008 C000002 801-48433 008 D010002 NEW YORK 008 D020002 NY 008 D030002 10022 012 A000001 COMPUTERSHARE TRUST COMPANY, NA 012 B000001 85-11340 012 C010001 CANTON 012 C020001 MA 012 C030001 02021 013 A000001 DELOITTE & TOUCHE LLP 013 B010001 BOSTON 013 B020001 MA 013 B030001 02116 014 A000001 BLACKROCK INVESTMENTS, INC. 014 B000001 8-048436 014 A000002 NORTHERN FUND DISTRIBUTORS, LLC 014 B000002 8-051242 014 A000003 PNC CAPITAL MARKETS, INC. 014 B000003 8-032493 014 A000004 J.J.B. HILLIARD W.L. LYONS, INC. PAGE 2 014 B000004 8-033133 014 A000005 PFPC DISTRIBUTORS, INC. 014 B000005 8-045467 014 A000006 OFFIT FUNDS DISTRIBUTOR, INC. 014 B000006 8-046960 014 A000007 ABN AMRO DISTRIBUTION SERVICES (USA), INC. 014 B000007 8-052396 014 A000008 BLACKROCK DISTRIBUTORS, INC. 014 B000008 8-048775 014 A000009 PERSIMMON SECURITIES 014 B000009 8-053071 015 A000001 STATESTREET BANK AND TRUST COMPANY 015 B000001 C 015 C010001 BOSTON 015 C020001 MA 015 C030001 02110 015 E010001 X 015 A000002 PRUDENTIAL SECURITIES, INC. 015 B000002 C 015 C010002 SPRING LAKE 015 C020002 NJ 015 C030002 07762 015 C040002 1443 015 E020002 X 018 000000 Y 019 A000000 Y 019 B000000 55 019 C000000 BLACKROCKF 020 A000001 MERRILL LYNCH 020 B000001 13-5674085 020 C000001 16 021 000000 16 022 A000001 STATE STREET BANK 022 B000001 04-1867445 022 C000001 97600 022 D000001 99350 022 A000002 CHASE SECURITIES INC. 022 B000002 13-3379014 022 C000002 24007 022 D000002 8300 022 A000003 MERRILL LYNCH PIERCE FENNER 022 B000003 13-5674085 022 C000003 15870 022 D000003 13924 022 A000004 MORGAN STANLEY CO. INC. 022 B000004 13-5674085 022 C000004 13184 022 D000004 14385 022 A000005 CITIGROUP GLOBAL MARKETS 022 B000005 11-2418191 022 C000005 18339 PAGE 3 022 D000005 3154 022 A000006 SEASONGOOD & MAYER 022 B000006 31-0439010 022 C000006 8100 022 D000006 7100 022 A000007 Piper Jaffray 022 B000007 41-0953246 022 C000007 0 022 D000007 14883 022 A000008 LEHMAN BROTHERS INC. 022 B000008 13-2518466 022 C000008 200 022 D000008 12308 022 A000009 FIRST ALBANY CAPITAL INC 022 B000009 14-1391446 022 C000009 7818 022 D000009 0 022 A000010 WACHOVIA CAPITAL MARKETS 022 C000010 5200 022 D000010 0 023 C000000 199377 023 D000000 197979 024 000000 N 026 A000000 N 026 B000000 N 026 C000000 N 026 D000000 Y 026 E000000 N 026 F000000 N 026 G010000 N 026 G020000 N 026 H000000 N 027 000000 N 028 A010000 0 028 A020000 0 028 A030000 0 028 A040000 0 028 B010000 0 028 B020000 0 028 B030000 0 028 B040000 0 028 C010000 0 028 C020000 0 028 C030000 0 028 C040000 0 028 D010000 0 028 D020000 0 028 D030000 0 028 D040000 0 028 E010000 0 028 E020000 0 PAGE 4 028 E030000 0 028 E040000 0 028 F010000 0 028 F020000 0 028 F030000 0 028 F040000 0 028 G010000 0 028 G020000 0 028 G030000 0 028 G040000 0 028 H000000 0 030 A000000 0 030 B000000 0.00 030 C000000 0.00 031 A000000 0 031 B000000 0 032 000000 0 033 000000 0 035 000000 0 036 B000000 0 038 000000 0 042 A000000 0 042 B000000 0 042 C000000 0 042 D000000 0 042 E000000 0 042 F000000 0 042 G000000 0 042 H000000 0 043 000000 0 044 000000 0 045 000000 Y 046 000000 N 047 000000 Y 048 000000 0.400 048 A010000 0 048 A020000 0.000 048 B010000 0 048 B020000 0.000 048 C010000 0 048 C020000 0.000 048 D010000 0 048 D020000 0.000 048 E010000 0 048 E020000 0.000 048 F010000 0 048 F020000 0.000 048 G010000 0 048 G020000 0.000 048 H010000 0 048 H020000 0.000 PAGE 5 048 I010000 0 048 I020000 0.000 048 J010000 0 048 J020000 0.000 048 K010000 0 048 K020000 0.000 049 000000 N 050 000000 N 051 000000 N 052 000000 N 053 A000000 N 054 A000000 Y 054 B000000 Y 054 C000000 N 054 D000000 N 054 E000000 N 054 F000000 N 054 G000000 Y 054 H000000 Y 054 I000000 N 054 J000000 Y 054 K000000 N 054 L000000 N 054 M000000 Y 054 N000000 N 054 O000000 N 055 A000000 Y 055 B000000 N 056 000000 Y 057 000000 N 058 A000000 N 059 000000 Y 060 A000000 Y 060 B000000 Y 061 000000 0 062 A000000 Y 062 B000000 0.0 062 C000000 0.0 062 D000000 0.0 062 E000000 6.3 062 F000000 0.0 062 G000000 0.0 062 H000000 0.0 062 I000000 0.0 062 J000000 0.0 062 K000000 0.0 062 L000000 0.0 062 M000000 0.0 062 N000000 0.0 062 O000000 147.1 062 P000000 0.0 PAGE 6 062 Q000000 0.0 062 R000000 0.0 063 A000000 0 063 B000000 12.6 064 A000000 Y 064 B000000 N 066 A000000 N 067 000000 N 068 A000000 N 068 B000000 N 069 000000 N 070 A010000 Y 070 A020000 N 070 B010000 N 070 B020000 N 070 C010000 Y 070 C020000 N 070 D010000 N 070 D020000 N 070 E010000 Y 070 E020000 N 070 F010000 N 070 F020000 N 070 G010000 Y 070 G020000 N 070 H010000 N 070 H020000 N 070 I010000 N 070 I020000 N 070 J010000 Y 070 J020000 Y 070 K010000 Y 070 K020000 Y 070 L010000 N 070 L020000 N 070 M010000 N 070 M020000 N 070 N010000 Y 070 N020000 N 070 O010000 Y 070 O020000 Y 070 P010000 Y 070 P020000 Y 070 Q010000 N 070 Q020000 N 070 R010000 Y 070 R020000 N 071 A000000 54417 071 B000000 66929 071 C000000 374942 071 D000000 15 PAGE 7 072 A000000 12 072 B000000 21254 072 C000000 0 072 D000000 0 072 E000000 4 072 F000000 1558 072 G000000 0 072 H000000 0 072 I000000 15 072 J000000 94 072 K000000 0 072 L000000 55 072 M000000 33 072 N000000 21 072 O000000 0 072 P000000 0 072 Q000000 0 072 R000000 36 072 S000000 42 072 T000000 0 072 U000000 0 072 V000000 0 072 W000000 432 072 X000000 2287 072 Y000000 0 072 Z000000 18971 072AA000000 0 072BB000000 6238 072CC010000 2205 072CC020000 0 072DD010000 13410 072DD020000 0 072EE000000 0 073 A010000 0.8430 073 A020000 0.0000 073 B000000 0.0000 073 C000000 0.0000 074 A000000 19 074 B000000 0 074 C000000 15660 074 D000000 367551 074 E000000 0 074 F000000 0 074 G000000 0 074 H000000 0 074 I000000 0 074 J000000 130 074 K000000 0 074 L000000 4461 074 M000000 55 074 N000000 387876 PAGE 8 074 O000000 0 074 P000000 156 074 Q000000 0 074 R010000 0 074 R020000 0 074 R030000 0 074 R040000 199 074 S000000 137631 074 T000000 249890 074 U010000 15908 074 U020000 0 074 V010000 15.71 074 V020000 0.00 074 W000000 0.0000 074 X000000 42 074 Y000000 1627 075 A000000 0 075 B000000 252013 076 000000 15.71 077 A000000 Y 077 B000000 Y 077 C000000 N 077 D000000 N 077 E000000 N 077 F000000 N 077 G000000 N 077 H000000 N 077 I000000 N 077 J000000 N 077 K000000 N 077 L000000 N 077 M000000 N 077 N000000 N 077 O000000 N 077 P000000 N 077 Q010000 N 077 Q020000 N 077 Q030000 N 078 000000 N 080 A000000 VIGILANT INSURANCE COMPANY 080 B000000 GULF INSURANCE GROUP 080 C000000 33000 081 A000000 Y 081 B000000 56 082 A000000 Y 082 B000000 10 083 A000000 N 083 B000000 0 084 A000000 N 084 B000000 0 085 A000000 Y PAGE 9 085 B000000 N 086 A010000 0 086 A020000 0 086 B010000 0 086 B020000 0 086 C010000 0 086 C020000 0 086 D010000 0 086 D020000 0 086 E010000 0 086 E020000 0 086 F010000 0 086 F020000 0 087 A010000 COMMON STOCK 087 A020000 09248C106 087 A030000 BPK 088 A000000 N 088 B000000 N 088 C000000 N 088 D000000 Y SIGNATURE HENRY GABBAY TITLE TREASURER