The numbers have, on average, been in decline for three decades. On the other, the ratings appear to have stabilized over the past decade or so, with the obvious exceptions of 2016 and 2017 — seasons which featured (a) two clubs attempting to break long droughts and then ( seven of the most exciting games in World Series history, respectively. If there is any disappointment over this year’s ratings, it’s probably due to the high expectations created by the previous two years.
For the most part, the World Series has followed general viewing trends. As more options for consumers have emerged, it has become more difficult for any kind of programming to attract a large audience. There have been exceptions: the 1991 World Series between Atlanta and Minnesota, a dramatic post-9/11 Yankees-D-backs event, and the Cubs curse-breaking spectacle. But the relationship between the TV’s No. 1 show and the World Series has been strong, producing an r-squared of .83 during this time period.