A Doctor of Philosophy (Paediatrics) is a research-focused doctoral degree that trains candidates to conduct original, independent research that advances scientific knowledge in child and adolescent health. Rather than a coursework qualification, the PhD in Paediatrics is almost entirely research-based, requiring candidates to design and execute a substantial research project, analyse findings, and produce a thesis representing a meaningful and original contribution to the field. Research areas can span the full spectrum of paediatric medicine, including developmental neuroscience, paediatric infectious diseases, neonatology, immunology, genetic epidemiology, childhood chronic disease, mental health, vaccine science, nutrition, early childhood development, and Indigenous child health. The degree typically takes three to four years full-time (or up to eight years part-time), is supervised by an academic or clinical expert, and is embedded within a university department of paediatrics, a children's research institute, or an affiliated teaching hospital.

This qualification is designed for clinicians, scientists, and health professionals who wish to push the boundaries of paediatric medicine through rigorous research. Candidates often come from medical (MBBS/MD), nursing, allied health, or biomedical science backgrounds, and many are practising clinicians undertaking a PhD concurrently with or following specialist training. Typical employers of graduates include universities, children's hospitals, medical research institutes, the National Health and Medical Research Council (NHMRC), the Australian Research Council (ARC), state and federal health departments, global health organisations such as the WHO and UNICEF, pharmaceutical and biotechnology companies, and not-for-profit children's advocacy bodies. The degree equips graduates for academic, clinical-academic, policy, and industry research careers of the highest level.

Admission to a PhD in Paediatrics in Australia typically requires a high level of prior academic achievement and demonstrated research capability. Most universities expect applicants to hold an Honours degree (at least Class 2A, or First Class Honours preferred) in a relevant discipline such as medicine, biomedical science, nursing, or a health-related field; alternatively, a relevant Masters degree with a substantial research thesis component may satisfy entry requirements. Medical graduates holding an MBBS or MD from an Australian or New Zealand university are generally considered eligible, and practising clinicians with FRACP fellowship or equivalent specialist training are highly regarded applicants. Candidates who do not meet minimum academic thresholds may still be considered if they can demonstrate first authorship on a peer-reviewed publication or provide a strong portfolio of professional research experience.

All applicants must identify a willing and available supervisor with expertise aligned to their proposed research project, and must submit a research proposal outlining their intended research questions, methodology, and expected contribution to knowledge. Some programs also require applicants to secure a scholarship or demonstrate funding arrangements. International applicants must meet English language proficiency requirements; a minimum IELTS overall score of 6.5–7.0 (with no individual band below 6.0) is commonly required, though specific thresholds vary by institution. Part-time enrolment options may be available for practising clinicians, and some programs offer scholarship stipends of approximately $35,000–$50,000 per year tax-free for high-achieving domestic candidates.