<p>Abstract copyright UK Data Service and data collection copyright owner.</p>The <i>Inventing Adulthoods</i> (IA) archive currently consists of qualitative interview transcripts for 30 young people interviewed up to six times. Transcripts for a further 20 young people will be included in the archive in the near future. <i>Inventing Adulthoods</i> is a qualitative longitudinal (QL) study that 'walked alongside' young people as they moved from early teenage years to young adulthood in five contrasting areas of England and Northern Ireland. This dataset showcases the biographical material collected between 1998 and 2004, providing a unique window on many aspects of young people's lives at the turn of the 21st century.<br> <br> The case data f...