As you know, Japan is the second biggest music market in the world. In 1989, the Recording Industry Association of Japan introduced the music recording certification systems. It is awarded based on shipment figures of compact disc or cassette tape which was reported by record labels.
Currently, all music sales including singles, albums, digital download singles are on the same criteria. Unlike many countries, the highest certification is not called "Diamond" or "Platinum", but "Million".
Mariah Carey is the artist who appears more times in these lists, with five albums and one single. She's followed by Avril Lavigne with three albums. Carey's #1s compilation remains as the only three million-selling foreign album. Only Céline Dion and Mariah Carey made the singles list.
The lists are not ranked, as you can see.
RIAJ Million Sellers (Non-Asian Acts)
2 Million seller (2M); 3 Million seller (3M)
Albums
All The Way... A Decade Of Songs - Celine Dion - 1999/11/13 (2M)
200 km/h in the Wrong Lane - Tatu - 2003/03/05
Jewels - Queen - 2004/01/28
Under My Skin - Avril Lavigne - 2004/05/12
The Fame - Lady Gaga - 2009/05/20
The Best Damn Thing - Avril Lavigne - 2007/04/18
#1s - Mariah Carey - 1998/11/18 (3M)
1 - The Beatles - 2000/11/13 (2M)
The Bodyguard - Whitney Houston - 1992/12/05 (2M)
22 Hits - Carpenters - 1995/11/10 (2M)
Merry Christmas - Mariah Carey - 1994/10/29 (2M)
image - V.A. - 2000/08/23
Let Go - Avril Lavigne - 2002/07/24
Greatest Hits-Chapter 1 - Backstreet Boys - 2001/10/24
The Most Relaxing Feel - V.A. - 2000/03/23
Amarantine - Enya - 2001/10/24
Max Best - V.A. - 2000/11/22
Fanmail - TLC - 1999/03/06
Music Box - Mariah Carey - 1993/09/11
Now 1 - Queen etc - 1993/12/08
Max - Mariah Carey etc - 1994/11/11
Cross Road - Bon Jovi - 1994/10/07
Daydream - Mariah Carey - 1995/09/30
Scatman's World - Scatman John - 1995/08/23
Dub-I-Dub - Me & My - 1996/02/10
Butterfly - Mariah Carey - 1997/09/10
Paint The Sky With Stars - Enya - 1997/11/10
Let's Talk About Love - Celine Dion - 1997/11/15
Titanic - Soundtrack - 1997/12/12
Miseducation - Lauryn Hill - 1998/08/19
Best Of - Eric Clapton - 1999/09/29
Thriller - Michael Jackson - 1982/12/10
Flashdance - Soundtrack - 1983/06/25
Singles
All I Want For Christmas Is You - Mariah Carey - 1994/10/29
To Love You More - Celine Dion - 1995/10/21
Oricon Million sellers (no imports)
The Oricon list includes physical sales not counting imports which are usually bigger for foreign acts. In any case, these are the best-selling albums by non-Asian acts.
Flashdance - Soundtrack - 1,065,000 - 1983/06/25 - 1983/12/12 (M)
Thriller - Michael Jackson - 1,792,000 - 1982/12/10 - 1984/03/26 (M)
The Bodyguard - Whitney Houston - 1,881,000 - 1992/12/05 - 1993/03/01 (M)
Music Box - Mariah Carey - 1,589,000 - 1993/09/11 - 1994/04/18 (M)
Merry Christmas - Mariah Carey - 2,098,000 - 1994/10/29 - 1994/12/05 (M) - 1996/01/01 (2M)
Max - Mariah Carey etc - 1,147,000 - 1994/11/11 - 1995/02/20 (M)
Cross Road - Bon Jovi - 1,146,000 - 1994/10/07 - 1995/07/03 (M)
Daydream - Mariah Carey - 2,202,000 - 1995/09/30 - 1995/10/23 (M) - 1996/03/18 (2M)
Scatman's World - Scatman John - 1,561,000 - 1995/08/23 - 1995/12/04 (M)
22 Hits - Carpenters - 2,337,000 - 1995/11/10 - 1996/01/22 (M) - 1996/06/10 (2M)
Butterfly - Mariah Carey - 1,025,000 - 1997/09/10 - 1998/02/02 (M)
Titanic - Soundtrack - 1,418,000 - 1997/12/12 - 1998/06/29 (M)
#1s - Mariah Carey - 2,808,000 - 1998/11/18 - 1998/11/30 (M) - 1998/12/21 (2M)
Let's Talk About Love - Celine Dion - 1,030,000 - 1997/11/15 - 1999/02/08 (M)
All The Way... A Decade Of Songs - Celine Dion - 1,246,000 - 1999/11/13 - 2000/01/17 (M)
The Beatles 1 - The Beatles - 1,999,000 - 2000/11/13 - 2000/12/11 (M)
Paint The Sky With Stars - Enya - 1,078,000 - 1997/11/10 - 2001/12/03 (M)
200 km/h in the Wrong Lane - TATU - 1,246,000 - 2003/03/05 - 2003/06/30 (M)
Jewels - Queen - 1,343,000 - 2004/01/28 - 2004/04/12 (M)
Let Go - Avril Lavigne - 1,144,000 - 2002/07/24 - 2004/07/12 (M)
Under My Skin - Avril Lavigne - 1,030,000 - 2004/05/12 - 2005/03/21 (M)
RIAJ