Complex sentence: It also went Top 5 in Germany, Sweden, the Netherlands, in the band's home country of Norway, and it reached number one in Ireland and on the British Singles Chart which was bigger chart position there, than "Take On Me".
Split into simpler sentences: It also went Top 5 in Germany, Sweden, the Netherlands, as well as in the band's home country of Norway. The single reached number one in Ireland and on the British Singles Chart which was a bigger chart position there than for "Take On Me".