John Wilson resigned to take up a charity role, and was replaced by Lesley Brennan, the next person on the Labour regional list. (en)
Mark McDonald resigns his position as an MSP in order to contest the 2013 Aberdeen Donside by-election. Christian Allard takes up the vacant seat as the next name on the SNP's list for the region. (en)
John Park resigned as an MSP to take up a full time Trade-Union position, he is replaced by Jayne Baxter. (en)
Bill Walker was suspended from the SNP pending an investigation into domestic abuse allegations. (en)
Bill Walker resigned following his conviction for assault, precipitating a by-election in the constituency. He was replaced by Cara Hilton. (en)
Tricia Marwick is elected as the Presiding Officer and had to take voluntary suspension from her party. (en)
David McLetchie dies of cancer, aged 61. He was replaced by Cameron Buchanan. (en)
Jean Urquhart resigned from the SNP because of its conference decision on NATO membership. (en)
John Wilson resigned from the SNP because of its 2012 conference decision on NATO membership. Though he joined the Scottish Green Party in December 2014, Wilson continued to sit as an independent MSP until the end of the parliament. (en)
Brian Adam dies of cancer at age 64, causing a by-election. (en)
Mark McDonald holds the seat for the SNP in the 2013 Aberdeen Donside by-election. (en)
Margo MacDonald died, age 70. She had been elected as an independent to a regional seat and therefore no-one could be nominated as a replacement. (en)
John Finnie resigned from the SNP because of its conference decision on NATO membership. Though he joined the Scottish Green Party in October 2014, Finnie continued to sit as an independent MSP until the end of the parliament. (en)
Helen Eadie dies of cancer at age 66, causing a by-election. She was replaced by Alex Rowley. (en)