2003 Oricon Number 1 Releases

#1 Singles and Albums in 2003 according to Oricon

From January 1, 2003 to December 31, 2003. Click on the # for that week to view the top 10 albums, singles and their sales. The date to the left of the week is the monday of the week (i.e., the first day of the Oricon week). This may or may not match up to the date that the single/album was released, as most releass dates state the Wednesday as its release date (yet are on sale the Tuesday before).

Note: 'Week Sales' means the number of units that the product sold to get to #1 for that week. Usually this is the product's first week sales, but not always.

#	Date	Single Artist	Single	Week Sales	Album Artist	Album	Week Sales
1	12.30	Every Little Thing	UNTITLED ~4 ballads~	110,315	Hamasaki Ayumi	RAINBOW	571,027
2	01.06	Nakajima Miyuki	Chijou no Hoshi / Headlight Taillight	40,604	CHEMISTRY	Second to None	1,075,872
3	01.13	175R	Happy Life	63,168	CHEMISTRY	Second to None	402,109
4	01.20	Shiina Ringo	Stem ~Daimyou Asobi Hen~	116,198	Hirai Ken	LIFE is...	351,258
5	01.27	Utada Hikaru	COLORS	437,903	BoA	VALENTI	615,218
6	02.03	Utada Hikaru	COLORS	139,829	BoA	VALENTI	222,851
7	02.10	RUI	Tsuki no Shizuku	114,040	EXILE	Styles Of Beyond	145,102
8	02.17	I WiSH	Asu e no Tobira	180,006	Shiina Ringo	Kalk Samen Kuri no Hana	165,316
9	02.24	I WiSH	Asu e no Tobira	111,676	Shiina Ringo	Kalk Samen Kuri no Hana	136,214
10	03.03	SMAP	Sekai ni Hitotsu Dake no Hana	630,399	t.A.T.u.	t.A.T.u.	64,503
11	03.10	SMAP	Sekai ni Hitotsu Dake no Hana	380,002	Hamasaki Ayumi	A BALLADS	561,127
12	03.17	SMAP	Sekai ni Hitotsu Dake no Hana	300,150	Yuzu	Sumire	256,327
13	03.24	B'z	IT'S SHOWTIME!!	308,262	Morning Musume	No.5	122,136
14	03.31	SMAP	Sekai ni Hitotsu Dake no Hana	99,592	Every Little Thing	Many Pieces	53,715
15	04.07	KinKi Kids	Eien no BLOODS	245,045	t.A.T.u.	t.A.T.u.	47,857
16	04.14	175R	Sora ni Utaeba	130,768	HY	Street Story	106,278
17	04.21	Morning Musume	AS FOR ONE DAY	84,251	HY	Street Story	103,245
18	04.28	Moriyama Naotaro	Sakura	94,536	HY	Street Story	93,736
19	05.05	Moriyama Naotaro	Sakura	105,256	HY	Street Story	86,912
20	05.12	Moriyama Naotaro	Sakura	86,254	Nagabuchi Tsuyoshi	Keep On Fighting	90,524
21	05.19	w-inds.	SUPER LOVER ~I need you tonight~	78,311	t.A.T.u.	t.A.T.u.	61,529
22	05.26	V6	Darling	111,068	Various Artists	8 Mile Soundtrack	54,216
23	05.31	HYDE	HELLO	98,325	Various Artists	8 Mile Soundtrack	48,761
24	06.07	Inaba Koshi	KI	200,157	Metallica	St. Anger	51,416
25	06.14	KinKi Kids	Kokoro ni Yume wo Kimi ni wa Ai wo / Gira☆Gira	214,178	CHEMISTRY	Between the Lines	361,265
26	06.21	Southern All Stars	Katte ni Sindbad	219,165	SMAP	SMAP 016/MIJ	305,268
27	06.28	V6	COSMIC RESCUE / Tsuyoku Nare	78,422	CHEMISTRY	Between the Lines	66,123
28	07.05	Hamasaki Ayumi	&	287,002	Kuraki Mai	If I Believe	251,218
29	07.12	B'z	Yasei no ENERGY	230,019	RIP SLYME	TIME TO GO	225,671
30	07.19	Southern All Stars	Namida no Umi de Dakaretai ~SEA OF LOVE~	365,108	Dragon Ash	HARVEST	115,241
31	07.26	Southern All Stars	Namida no Umi de Dakaretai ~SEA OF LOVE~	122,714	Yuzu	Yuzu Smile	115,458
32	08.02	CHEMISTRY	Ashita e Kaeru / Us	102,461	V6	∞ INFINITY ~LOVE & LIFE~	75,412
33	08.09	KinKi Kids	Hakka Candy	260,885	12 Girls Band	12 Girls Band ~Beautiful Energy~	118,568
34	08.16	Hamasaki Ayumi	forgiveness	132,092	12 Girls Band	12 Girls Band ~Beautiful Energy~	201,241
35	08.23	Fukuyama Masaharu	Niji / Himawari / Sore ga Subete sa	356,629	Fukuyama Masaharu	MAGNUM COLLECTION "SLOW"	211,457
36	08.30	Fukuyama Masaharu	Niji / Himawari / Sore ga Subete sa	152,592	Hajime Chitose	Nomad Soul	125,645
37	09.06	Fukuyama Masaharu	Niji / Himawari / Sore ga Subete sa	100,915	Every Little Thing	Every Best Singles 2	281,571
38	09.13	Fukuyama Masaharu	Niji / Himawari / Sore ga Subete sa	71,493	B'z	BIG MACHINE	500,237
39	09.20	Fukuyama Masaharu	Niji / Himawari / Sore ga Subete sa	67,486	ROAD OF MAJOR	ROAD OF MAJOR	176,265
40	09.27	TOKIO	AMBITIOUS JAPAN!	72,348	Ketsumeishi	Ketsunopolis 3	290,751
41	10.04	TAK MATSUMOTO featuring Kuraki Mai	Imitation Gold	42,312	Ketsumeishi	Ketsunopolis 3	97,821
42	10.11	GLAY	BEAUTIFUL DREAMER / STREET LIFE	121,536	Aiuchi Rina	A.I.R	95,243
43	10.18	Yuzu	Hokousha Yuusen / Nou	75,214	KinKi Kids	G album -24/7-	242,826
44	10.25	w-inds.	Long Road	66,743	Takeuchi Mariya	Longtime Favorites	143,218
45	11.01	Hamasaki Ayumi	No way to say	176,229	Nakashima Mika	LOVE	437,218
46	11.08	Tackey & Tsubasa	Yume Monogatari	72,609	Nakashima Mika	LOVE	213,517
47	11.15	Mr.Children	Tenohira / Kurumi	286,982	KICK THE CAN CREW	BEST ALBUM 2001-2003	155,768
48	11.22	Mr.Children	Tenohira / Kurumi	73,755	aiko	Akatsuki no Love Letter	232,422
49	11.29	Porno Graffitti	Lack	59,014	EXILE	EXILE ENTERTAINMENT	395,257
50	12.06	MONGOL800	Yorokobi no Uta	51,733	EXILE	EXILE ENTERTAINMENT	195,741
51	12.13	MONGOL800	Yorokobi no Uta	32,362	Hamasaki Ayumi	Memorial address	524,028
52	12.20	SMAP	Sekai ni Hitotsu Dake no Hana	72,267	Kuraki Mai	Wish You The Best	450,127
53	12.28	N/A	N/A	N/A	N/A	N/A	N/A