You have to specify in which competition
There are many things why Fijians are good in rugby. Rugby is considered to be a mans religion in Fiji and possibly women. It is just the nations game.
Fiji has never won the sevens world cup.
once in rugby sevens
Scotland have not yet won the Rugby World Cup
France have never won the Rugby World Cup.
Australia won the 1991 and 1999 rugby world cups.
Ireland have never won thr Rugby World Cup.
World cup for fifa is enteirly different to Rugby. So the answer is ZERO.
As of 2014, Ireland has never won the Rugby Union World Cup.