Total babies named Masato (all years): 462
| Year | Boys (count / rank / %) |
|---|---|
| 2020 | 5 / #13360 / 0.000% |
| 2018 | 10 / #7954 / 0.001% |
| 2016 | 5 / #13497 / 0.000% |
| 2015 | 10 / #7847 / 0.001% |
| 2014 | 9 / #8560 / 0.000% |
| 2013 | 8 / #9363 / 0.000% |
| 2012 | 7 / #10390 / 0.000% |
| 2011 | 7 / #10367 / 0.000% |
| 2009 | 5 / #13784 / 0.000% |
| 2008 | 9 / #8763 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 2007 | 7 / #10494 / 0.000% |
| 2006 | 6 / #11559 / 0.000% |
| 2005 | 6 / #10995 / 0.000% |
| 2003 | 10 / #7059 / 0.001% |
| 2002 | 10 / #6869 / 0.001% |
| 1997 | 7 / #7825 / 0.000% |
| 1996 | 5 / #9991 / 0.000% |
| 1994 | 5 / #9751 / 0.000% |
| 1993 | 8 / #6624 / 0.000% |
| 1991 | 7 / #7012 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1990 | 7 / #6908 / 0.000% |
| 1984 | 5 / #6976 / 0.000% |
| 1936 | 5 / #3883 / 0.000% |
| 1934 | 9 / #2686 / 0.001% |
| 1932 | 6 / #3626 / 0.001% |
| 1930 | 11 / #2553 / 0.001% |
| 1928 | 5 / #4521 / 0.000% |
| 1927 | 10 / #2839 / 0.001% |
| 1926 | 13 / #2375 / 0.001% |
| 1925 | 17 / #1983 / 0.002% |
| Year | Boys (count / rank / %) |
|---|---|
| 1924 | 25 / #1557 / 0.002% |
| 1923 | 17 / #1993 / 0.002% |
| 1922 | 14 / #2305 / 0.001% |
| 1921 | 14 / #2331 / 0.001% |
| 1920 | 18 / #1932 / 0.002% |
| 1919 | 24 / #1517 / 0.002% |
| 1918 | 18 / #1875 / 0.002% |
| 1917 | 23 / #1515 / 0.002% |
| 1916 | 23 / #1493 / 0.003% |
| 1915 | 8 / #2979 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1914 | 15 / #1659 / 0.002% |
| 1913 | 18 / #1235 / 0.004% |
| 1912 | 11 / #1589 / 0.003% |