I.B.W. by BAKUFU-SLUMP sales and awards

I.B.W. by BAKUFU-SLUMP has sold 400,000 copies in Japan.

I.B.W. certifications and sales

Country / region	Sales	Certification / source	Certification date / sales as of
Japan	400,000	1x Platinum	November 1989	Japan Sales: 400,000 Certification / note: 1x Platinum Certification Date / sales as of: November 1989
Total sales	400,000	(in 1 country)	Total Sales: 400,000 (in 1 country)

Year-end chart performance for I.B.W.

Chart 1989	Rank	Sales
Japanese Albums (Oricon)	57	206,730
Chart 1990	Rank	Sales
Japanese Albums (Oricon)	88	139,180