, 0 0 0 ▁units . ▁In ▁Mexico , ▁the ▁album ▁to pped ▁the ▁Mexican ▁Albums ▁Chart ▁for ▁twelve ▁non - con sec utive ▁weeks , ▁and ▁was ▁cert ified ▁four ▁times ▁plat in um ▁by ▁the ▁Mexican ▁Rec ording ▁Indust ry ▁Association ▁( AMP RO F ON ), ▁den oting ▁ship ments ▁of ▁ 2 4 0 , 0 0 0 ▁units . ▁In ▁Canada , ▁the ▁album ▁bow ed ▁at op ▁the ▁Canadian ▁Albums ▁Chart ▁with ▁first - week ▁sales ▁of ▁ 3 5 , 0 0 0 ▁copies , ▁which ▁made ▁One ▁D irection ▁the ▁first ▁UK ▁group ▁in ▁Canadian ▁chart ▁history ▁to ▁enter ▁at ▁number ▁one ▁with ▁their ▁debut ▁album , ▁and ▁the ▁first ▁international ▁act ▁to ▁debut ▁at ▁number ▁one ▁in ▁the ▁N iel sen ▁Sound Scan ▁era ▁( post ▁ 1 9 9 1 ) ▁with ▁their ▁debut ▁album . ▁The ▁album ▁has ▁been ▁cert ified ▁double ▁plat in um ▁by ▁Music ▁Canada , ▁den oting ▁ship ments ▁of ▁ 1 6 0 , 0 0 0 ▁units . ▁The ▁album ▁deb uted ▁at ▁number ▁one ▁on ▁the ▁United ▁States ▁Billboard ▁ 2 0 0 ▁chart , ▁s elling ▁ 1 7 6 , 0 0 0 ▁copies ▁in ▁its ▁first ▁week , ▁which ▁made ▁One ▁D irection ▁the ▁first ▁UK ▁group ▁in ▁US ▁chart ▁history ▁to ▁debut ▁at ▁number ▁one ▁with ▁their ▁first ▁album , ▁as ▁well ▁as ▁the ▁first ▁number - one ▁album ▁by ▁a ▁boy ▁band ▁in ▁eleven ▁years , ▁since ▁' N ▁S