language     number percentage (%)    males  females
0                                          polish  1 011 928          72.07  497 412  514 516
1                                         yiddish    213 562          15.21  104 914  108 648
2                                          german    148 765          10.59   72 445   76 320
3                                         russian     19 232           1.36   14 938    4 294
4                                           czech      4 987           0.35    2 563    2 424
5                                       ukrainian      2 723           0.19    2 622      101
6                                           other      2 614           0.18    2 153      461
7  persons that didn't name their native language         90          >0.01       49       41
8                                           total  1 403 901            100  697 096  706 805

Table as JSON:
{"language":{"0":"polish","1":"yiddish","2":"german","3":"russian","4":"czech","5":"ukrainian","6":"other","7":"persons that didn't name their native language","8":"total"},"number":{"0":"1 011 928","1":"213 562","2":"148 765","3":"19 232","4":"4 987","5":"2 723","6":"2 614","7":"90","8":"1 403 901"},"percentage (%)":{"0":"72.07","1":"15.21","2":"10.59","3":"1.36","4":"0.35","5":"0.19","6":"0.18","7":">0.01","8":"100"},"males":{"0":"497 412","1":"104 914","2":"72 445","3":"14 938","4":"2 563","5":"2 622","6":"2 153","7":"49","8":"697 096"},"females":{"0":"514 516","1":"108 648","2":"76 320","3":"4 294","4":"2 424","5":"101","6":"461","7":"41","8":"706 805"}}