This translation is a draft and has not yet been reviewed by a native speaker. The English version is authoritative. English
The publisher decides what you pay
Wiley waives the publication fee in full for authors in Ghana. Taylor & Francis gives them half. Same author, same paper, a difference of a thousand dollars — and neither publisher mentions the other. This site records what each one publishes, so you can see it before you submit.
Where the gap is widest
Full waiver at Wiley, 50% at Taylor & Francis. On a USD 2,500 charge that is USD 1,250 a paper.
Start here
What we found
The waiver follows the corresponding author, not the paper
If a co-author abroad is listed as corresponding, the reduction is lost — even when the research and every other author sit in an eligible country. At Elsevier it goes further: all authors must be in the same group, and a mix of Group A and Group B authors brings a full waiver down to 50%.
Hybrid journals are excluded almost everywhere
Of the eight publishers checked, only IOP Publishing extends waivers to hybrid titles. Elsewhere the reduction applies to fully open access journals only. In a hybrid journal you can still publish at no cost under the subscription route — the article simply will not be open access.
Two publishers make you ask
Wiley, Sage, Elsevier and PLOS apply the reduction automatically. Taylor & Francis and Springer Nature require a request at submission. An author who waits for the system to notice pays in full.