Thailand's Spanish built V/STOL carrier,weighs little around 15,000 tonnes,while the Spanish & Italian carriers are something like 17,000 tonnes.The Thai carrier was slated to carry around 6 Harriers & 6 Seahawks.You could expect the Japanese ship to be modified to take something like 4-6 F-35s(& helos).Afterall,it's not mean't to be a dedicated carrier,but rather an amphibious assault ship.Most importantly,the Japanese are still thinking about the aircraft carrier option & haven'nt finalised anything.
Maybe we should sell the Japanese our old carriers instead of turning them into museums. I know boy scouts love em, but I think that would be a better use. When is the JFK or Kitty hawk going to be replaced?
True, I totally forgot about the navies you mentioned.