On TV, Trump's Inauguration Was the Worst in 40 Years

I guess we've moved on from crowd size at Trump's inauguration to TV audience size. Interestingly, Trump has apparently decided not to lie about this, but only to mislead. Just for the record, then, here's the share of the population that has tuned in to watch first-term inaugurations over the past 40 years:

Ratings here. January population here.