The album's lead single "Chillin" featuring Lady Gaga, was released on April 14, 2009. The song was a charter hit. It peaked at number 12 on the UK Singles Chart on the chart ending September 12, 2009. It also spent a total of 6 weeks on the chart. This is Wale's highest-charting single in the United Kingdom.
The album's second single "World Tour" featuring Jazmine Sullivan, was released on September 8, 2009.
The album's third single "Pretty Girls" featuring Gucci Mane and Weensey (of Backyard Band), was released on October 6, 2009.
Attention Deficit received generally favorable reviews from music critics. At Metacritic, which assigns a normalized rating out of 100 to reviews from mainstream critics, the album received an average score of 77, based on 21 reviews, which indicates "generally favorable". David Jeffries of AllMusic gave the album a favorable review.The A.V. Club's Nathan Rabin gave the album a B+ rating.
Attention Deficit debuted at number 21 on the US Billboard 200 chart, with first-week sales of 28,000 copies in the United States. As of June 2013, the album has sold over 300,000 copies in the United States.