Year Hospital births (%) mortality (<50%) Maternal (%) rate Year Hospital births mortality (>50%) Maternal rate
1899 non-hospitalized 409.8 1960 50.1 117.5
1905 non-hospitalized 378.8 1965 80.4  
1910 non-hospitalized 333.0 1970 96.1 48.7
1915 non-hospitalized 332.5 1975   27.3
1920 non-hospitalized 329.9 1980 99.5 19.5
1925 non-hospitalized 285.4 1985   15.1
1930 non-hospitalized 257.9 1990 99.9 8.2
1935 non-hospitalized 247.1 247.1   6.9
1940 non-hospitalized 228.6 2000 99.8 6.3
1947 non-hospitalized 160.1 2005   5.7
1950 4.6 161.2 2009 99.8 4.8
N=11 248.9 ± 25.1*   N=11 35.0 ± 14.5*  
Table 1: Hospital birth and maternal mortality rate in Japan.