"Economists often use hourly wage rates.... This shows the rate for women was 87.9 cents for each dollar a man earned in 2016."
Note that still doesn't compare men and women side by side doing the exact same job. All it says is women tend to choose careers that don't pay as highly as the ones men choose. There are reasons for that. For example women tend to be in indoor jobs while outdoor jobs, which are less pleasant, tend to be done by men. Men are also the predominate sex in jobs that get you killed or maimed, or just wear your body out prematurely. Those job penalties are compensated for in part by higher wages.
StatsCan said 30 odd years ago that when you control for all other variables (education, experience, time with the company, prolonged absences from work, actual number of hours worked etc.) that the difference assignable to sex was vanishingly small. If that weren't so then given the laws in Canada the courts would be full of winning lawsuits but that isn't the case is it.