text: Highest Post war debt in Canada occurred under Paul Martin - 66.8% of GDP in '95.
  
  When Harper assumed Office,  debt was 34% of GDP and when he left 31% of GDP.
  
  https://www.fin.gc.ca/frt-trf/2016/frt-trf-16-eng.pdf - Table 2 Column "Accumulated Deficit"
  
  So you are wrong on both points