League by League Totals for Home Run Percentage

Have you ever wondered what percentage of at-bats resulted in home runs the year you were born? How about the year you graduated high school?

Ever wonder which league had the most home runs per one-hundred at-bats each season? This is a comprehensive breakdown of both leagues showing the home run percentage in each league and a major league total for every season since 1901.
"Only sixteen players have hit fifty or more homers in a season. To me, that's a very special milestone." - Mark McGwire
Home Run Percentage

League By League Percentage
American League National League A.L. & N.L. Year
0.598 0.583 0.590 1901
0.679 0.257 0.467 1902
0.492 0.397 0.444 1903
0.376 0.427 0.401 1904
0.384 0.442 0.413 1905
0.339 0.318 0.328 1906
0.254 0.358 0.305 1907
0.286 0.377 0.331 1908
0.273 0.369 0.321 1909
0.359 0.527 0.443 1910
0.481 0.769 0.625 1911
0.382 0.697 0.540 1912
0.398 0.751 0.577 1913
0.363 0.654 0.509 1914
0.397 0.550 0.474 1915
0.353 0.582 0.468 1916
0.327 0.488 0.408 1917
0.286 0.411 0.349 1918
0.642 0.555 0.599 1919
0.879 0.619 0.748 1920
1.115 1.086 1.100 1921
1.241 1.231 1.236 1922
1.052 1.245 1.150 1923
0.940 1.176 1.058 1924
1.252 1.484 1.368 1925
1.016 1.045 1.030 1926
1.042 1.141 1.092 1927
1.146 1.441 1.294 1928
1.411 1.752 1.583 1929
1.570 2.042 1.808 1930
1.319 1.148 1.234 1931
1.628 1.488 1.558 1932
1.423 1.081 1.252 1933
1.603 1.526 1.564 1934
1.542 1.524 1.533 1935
1.733 1.381 1.556 1936
1.861 1.463 1.664 1937
2.033 1.437 1.735 1938
1.869 1.535 1.702 1939
2.053 1.601 1.827 1940
1.702 1.397 1.550 1941
1.270 1.288 1.279 1942
1.121 1.017 1.068 1943
1.074 1.340 1.207 1944
1.033 1.347 1.192 1945
1.546 1.335 1.441 1946
1.617 2.088 1.853 1947
1.684 2.000 1.842 1948
1.845 2.189 2.019 1949
2.294 2.593 2.444 1950
1.981 2.398 2.190 1951
1.876 2.166 2.020 1952
2.075 2.807 2.442 1953
1.964 2.651 2.308 1954
2.298 3.023 2.661 1955
2.559 2.913 2.736 1956
2.439 2.745 2.593 1957
2.536 2.807 2.672 1958
2.600 2.738 2.669 1959
2.596 2.471 2.533 1960
2.794 2.839 2.814 1961
2.810 2.613 2.711 1962
2.707 2.217 2.462 1963
2.811 2.191 2.500 1964
2.520 2.380 2.449 1965
2.524 2.488 2.506 1966
2.209 2.003 2.105 1967
2.056 1.623 1.837 1968
2.516 2.236 2.376 1969
2.659 2.532 2.595 1970
2.296 2.092 2.193 1971
1.904 2.153 2.030 1972
2.342 2.345 2.344 1973
2.073 1.933 2.003 1974
2.241 1.865 2.052 1975
1.707 1.691 1.699 1976
2.605 2.445 2.531 1977
2.199 1.958 2.088 1978
2.615 2.159 2.404 1979
2.368 1.876 2.141 1980
2.090 1.647 1.885 1981
2.671 1.960 2.344 1982
2.445 2.127 2.300 1983
2.541 1.939 2.265 1984
2.819 2.164 2.518 1985
2.960 2.317 2.664 1986
3.385 2.752 3.094 1987
2.469 1.951 2.231 1988
2.231 2.074 2.159 1989
2.339 2.306 2.323 1990
2.517 2.188 2.366 1991
2.302 1.919 2.126 1992
2.676 2.524 2.600 1993
3.214 2.782 2.998 1994
3.113 2.776 2.945 1995
3.467 2.857 3.165 1996
3.160 2.807 2.985 1997
3.182 2.895 3.030 1998
3.373 3.250 3.307 1999
3.422 3.386 3.403 2000
3.207 3.350 3.283 2001
3.167 2.955 3.055 2002
3.062 3.191 3.122 2003
3.308 3.211 3.257 2004

3.116

2.928

3.016

2005

3.243

3.196

3.218

2006

2.876

3.022

2.954

2007

2.906

2.943

2.973

2008
3.284 2.824 3.040 2009
2.852 2.735 2.790 2010
2.927 2.589 2.748 2011
3.228 2.772 2.986 2012

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2013
American League National League A.L. & N.L. Year

League By League Home Run Percentage Leaders


Use this chart to quiz fans of the game as few will know what percentage of at-bats result in a home run, especially on a league by league basis.

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