The National Vaccination Insights project has found that acceptance barriers to immunisation amongst all parents surveyed have increased, a factor that may influence future vaccination levels.
While the study estimated the number of children fully vaccinated at five nationally is still measuring at 93.7% – up from 92.7% in 2024 – it revealed more parents are increasingly influenced by their own beliefs and concerns rather than any practical issue.
Study lead, Dr Jess Kaufman, Principal Research Fellow in the Vaccine Uptake Group at Murdoch Children’s Research Institute (MCRI), said the findings were proof of a shift in parental attitudes…

