Footnotes

• Contributors ARAA is an assistant professor of public affairs specialising in reproductive health policy. She has extensive experience in abortion policy analysis, most recently presenting evidence to the Oireachtas Committee examining Ireland’s Eighth Constitutional Amendment. RG is founder and director of the Women on Web International Foundation and has extensive expertise in abortion care provision under a wide variety of legal frameworks. AJ is a statistician at the Department of Health & Social Care England with extensive experience working with healthcare data. The data used in the article come from Women on Web (WoW), provided by RG, and from the DH, provided from publicly available reports and through a freedom of information request. All data were provided in fully de-identified format. ARAA devised the idea for the analysis. RG provided the de-identified data from Women on Web. AJ compiled the Department of Health and Social Care data with assistance from his colleagues Robert Betts and Mark Dionisio. ARAA conducted the statistical analyses and prepared the table and figure. All authors contributed to the interpretation of the data. ARAA wrote the first draft of the manuscript and all authors revised the first and subsequent drafts critically for intellectual content, and approved the final manuscript. All authors agree to be accountable for all aspects of the work. ARAA is the manuscript guarantor.

• Funding This study was funded by Eunice Kennedy Shriver National Institute of Child Health and Human Development (P2CHD042849).

• Competing interests RG is Founder and Director of Women on Web.

• Ethics approval University of Texas at Austin IRB.

• Provenance and peer review Not commissioned; externally peer reviewed.