United States- Hanson may not had a number one album in United States, but they had 3 albums to reach the top 10. Their first mainstream album “Middle of Nowhere” only peaked at number 2 but it went 4x platinum by RIAA. Some of their works were independent releases which were they had started. AT least, most of their albums charted in Billboard 200.
United Kingdom- Hanson did well during their first year in mainstream music in United Kingdom. They scored 1 number 1 album with “Middle of Nowhere”, but none of their succeeding albums ever followed. None even went to top 10 afterwards, but most of those albums went top top 40.
United States- The Corrs never had a number 1 album in US, but 4 of their albums went to Billboard 200, which their most successful album album was “In Blue”, their first platinum album as they often get Gold Record from their other albums.
United Kingdom- The Corrs had been very successful in UK for scoring 2 number 1 albums. Those albums were, the BPI certified 9x platinum seller “Talk on Corners” and “In Blue”. They also achieved 2 number 2 albums which and 2 others went top 10.
United States- Jonas Brothers is one of the biggest pop groups of their time. They had scored at least 2 number albums in the country with “A Little Bit Longer” and “Lines, Vines, and Trying Times”. However, their biggest seller was their self titled album which went to top 5. They had four soundtrack albums which went to top 10, mostly were from Disney, including “Camp Rock” soundtracks, which both went to top 3. Their records went Gold Record and platinum too.
United Kingdom- Jonas Brothers never achieved a number 1 album in the country, but they had scored two top 10 albums, “Jonas Brothers” and “Lines, Vines, and Trying Times”. They had top 20 records too, which some went Gold Record.
Credits: Billboard / OCC /Wikipedia
Video: YouTube / The Corrs