Statistics for Sora o Tobu, 3tsu no Houhou.

This graph shows the percentage of words (in total) that you'll be able to read assuming you know a certain percentage of unique vocabulary that appears in this work.

CoverageVocabulary required%
70%9215%
80%179711%
90%409825%
95%706443%
96%798349%
97%934857%
98%1072666%
99%1342682%