Yes, as my colleague pointed out, Finland would certainly be a good place to start on wage gaps. Again, the Nordic countries have all sorts of different responses to wage gaps, including ways of helping women work more flexible hours, better child care regimes than perhaps we have in Canada right now, subsidized elder care, parental benefits, etc.
There are all sorts of measures for the wage gap, but as for pay equity itself, I wouldn't be the best placed to answer.