Does the World Series Winner Predict the Outcome of the Presidential Election?
by Bill Staples, Jr.
In the inaugural issue of The Baseball Research Journal published by the Society for American Baseball Research (SABR) in 1972, the editor identified a trend between the winner of the World Series and the winner of the presidential election. Between 1952 and 1968, if the American League team won the World Series, a Republican won the election; if the National League won, a Democrat won the election. Below is the original article in its entirety:
By the way, this trend continued for two more election cycles. In 1972 the Oakland A’s (American League) win was followed by a Richard Nixon (Republican) victory; and in 1976 the Cincinnati Reds (National League) win was followed by a Jimmy Carter (Democratic) victory. This correlation between the World Series winner and the presidential party continued for seven straight elections and came to an end with the 1980 victories of the Philadelphia Phillies (National League) and Ronald Reagan (Republican).
With the 2024 election cycle concluded, we can now see how this "Coincidence" has held up through the most recent contest.
The Question revisited: Is there a correlation between the winner of the World Series and the outcome of the Presidential Election?
The Answer: Of the 30 elections held between 1908 and 2024, there has been a correlation (AL = Rep.; NL = Dem.) between the World Series winner and the Presidential Election 17 times (56.7%). The 2024 results—where the National League's Los Angeles Dodgers won the Fall Classic, but Republican Donald Trump won the presidency—further confirm that the trend was indeed a coincidence. The statistical frequency continues to hover near the 50/50 mark, consistent with the laws of probability.
It appears that the editor of the original 1972 SABR Baseball Research Journal article needed more data. By expanding the data set we now see that it was indeed just a coincidence … and this World Series-Presidential Election coincidence can be explained by the simple laws of probability.
Probability and Coin Flipping
In the flipping of two coins, the probability that each coin will reflect the same side at the same time can be expressed as: (Heads = H; Tails = T) with four potential outcomes: HT, TH, HH, TT. Thus, the odds are 50/50 that the two sides will match (HH, TT).
And the same is true with two events where the outcomes are binary. In the case of the World Series, the outcome is either an American or National League winner, and in our current two-party system the winner of the Presidential election is either a Republican or Democrat.
Thus, the outcome probability can be expressed as: (American = A, National = N; Republican = R; Democrat = D): AR, AD, NR, ND. So much like the toss of two coins, the odds are 50/50 that two sides will correlate (AR, ND).
Similar to the original 1972 SABR Coincidence article, I thought it would be interesting to explore other “silly” correlations between two seemingly unrelated binary events and the past 26 elections. Doing so would also give us a better appreciation of the World Series fairs as a Presidential Election predictor. Here’s what I found:
2024 Presidential Candidates
- Donald John Trump, born Friday, June 14, 1946
- Kamala Devi Harris, born Tuesday, October 20, 1964
Sorry fellow baseball fans. We’d like to think that National Pastime is somehow connected to the pulse of the Presidential Election. But it’s not. This informal study suggests that the winner of the World Series IS NOT a strong predictor of the presidential election.
You might think that a significant factor like the unemployment rate would be a stronger indicator of the presidential election outcome. However, in looking at unemployment trends, increasing or decreasing from the year prior to election year (Increasing = Rep. wins; Decreasing = Dem. wins), I discovered that a correlation between these two events occurred in 15 of 29 elections (51.7%) – a lower frequency than the World Series winner (AL = Rep.; NL = Dem.).
Coincidentally, the “Calendar Day the presidential candidate was born” (Odd day = Rep. wins, Even day = Dem. wins) is the same as the World Series winner, occurring in 17 of 29 (58.6%) elections between 1908 and 2020.
With regards to the streak of seven consecutive matches between League and Political Party victories (1952-1976 elections), this is a common occurrence when comparing the outcomes of two seemingly unrelated binary factors.
For example, a streak of seven consecutive matches also occurred between the presidential election outcome and the “Calendar Day the presidential candidate was born” (Odd day = Rep. wins, Even day = Dem. wins) and the “Number of letters in the candidates’ last name” (Odd = Rep. wins; Even = Dem. wins), both trends lasting between 1940 and 1964.
How You Really Predict the Outcome of the Presidential Election
So what does this mean for the 2024 election? The best “silly” predictor of the Presidential Election winner is “Calendar Day the candidate was born” (Odd day = Rep. wins, Even day = Dem. wins). But both candidates were born on even days (Trump on June 14; Harris on October 20). Who will win? Your guess is just as good as anyone else’s or as good as any seemingly unrelated binary event out there.
In the end, I’d recommend you just flip a coin. Heads, your candidate wins. Tails, the other guy wins. Virtual coins are available at no cost online at: http://www.random.org/coins. (By the way, flip two coins 29 times to see if you can match or beat the streak of seven consecutive matches. My best streak was five consecutive matches.)
So, with the understanding that the probability is 58.6% that the World Series winner will predict the outcome of the Presidential Election, I predict that the New York Yankees (AL) will battle the Los Angeles Dodgers (NL) in this year’s Fall Classic. If so, here’s the League-Political Party match-up:
And while I do have my favorites for both the World Series and the Presidential Election, I’ll refrain from sharing them. I can tell you though that if my picks do win, there WILL NOT be a correlation between the League and Political Party (AL = Rep.; NL = Dem.) in 2024.
Guess we’ll just have to wait until Wednesday, November 6th to see how it all plays out.
2024 Election Update
In my original projection, I noted that if the Dodgers (NL) faced the Yankees (AL), a Dodgers victory would signal a Democratic win under the old "Coincidence" rules. While the Dodgers did indeed win their 8th World Series title, the political half of the correlation did not follow suit. Interestingly, the most accurate "silly" predictor this cycle wasn't the World Series or birth dates, but the number of letters in the candidate's last name. Donald Trump's five-letter name (odd) correctly aligned with a Republican victory, while the "unemployment trend" also correctly signaled a change in party control as the rate had ticked upward from the previous year. Ultimately, 2024 proved once again that while baseball is our National Pastime, it isn't a crystal ball. Whether you’re looking at the box score or the electoral map, the only sure way to predict a winner is to wait until the final out is recorded.
##
About the author
Bill Staples, Jr., is a member of the Society for American Baseball Research (SABR) in Arizona, chairman of the of the SABR Asian Baseball Committee, board member of the Nisei Baseball Research Project, and a past speaker at the National Baseball Hall of Fame. Learn more at www.zenimura.com.