once in rugby sevens
Scotland have not yet won the Rugby World Cup
Namiba have yet to win a 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.
They have attended all four since their union was formed in 1998: 1999, 2003, 2007 and 2011.
As of 2014, Ireland has never won the Rugby Union World Cup.
In spite of having qualified for all seven Rugby World Cup tournaments to date, Romania have never won the Rugby World Cup.