In rugby they have won it twice. In 1991 and 1999.
Australia are a founder member of the RWC and therefore have and will play in all RWC series.
Three times. New Zealand beat them in 1987 and 2011, and Australia beat them in 1999.
once in rugby sevens
Twice - 1991 and 1999
Scotland have not yet won the Rugby World Cup
France have never won the Rugby World Cup.
Ireland have never won thr Rugby World Cup.
World cup for fifa is enteirly different to Rugby. So the answer is ZERO.