Total babies named Michio (all years): 90
| Year | Boys (count / rank / %) |
|---|---|
| 2011 | 5 / #13662 / 0.000% |
| 1938 | 5 / #3868 / 0.000% |
| 1937 | 5 / #3859 / 0.000% |
| 1933 | 5 / #3989 / 0.001% |
| 1932 | 8 / #3018 / 0.001% |
| 1931 | 6 / #3639 / 0.001% |
| 1930 | 5 / #4363 / 0.000% |
| 1929 | 7 / #3446 / 0.001% |
| 1928 | 6 / #3994 / 0.001% |
| 1927 | 5 / #4598 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1926 | 5 / #4609 / 0.000% |
| 1925 | 5 / #4670 / 0.000% |
| 1924 | 6 / #4180 / 0.001% |
| 1923 | 5 / #4668 / 0.000% |
| 1922 | 7 / #3757 / 0.001% |
| 1915 | 5 / #4197 / 0.001% |