The ARDC 2021 Projects Exchange showcased the 41 ARDC co-investment projects that commenced in 2021. This session presents projects in the Australian Data Partnerships program, which aim to create or develop high quality data collections that support leading edge research (publications, grants, impact, science priorities) and are national in scale (not institutional). This presentation includes: The LINked Data Asset for Australian Health Research - Claire Vajdic (UNSW) Australian and New Zealand Leaders, Elections and Democracy Data Asset Steve McEachern (ADA) AusTraits: a national database on the traits of Australia’s complete flora - Elizabeth Wenk (UNSW) Advancing the Australian Companion Animal Registry of Cancers - Chiara Palmieri (UQ) A national transfusion data asset for Australia - Erica Wood (Monash) Australian Invasive Species and Pest Genome Partnership - Tom Walsh (CSIRO) Australasian Computational and Simulation Commons - Alan Mark (UQ) The video recording of this session can be viewed on ARDC's YouTube channel: https://www.youtube.com/watch?v=IOmfpgDUreo