脳みそプルン!

Vocabulary Coverage

Learning words in frequency order, here's how many unique words you need to know to reach various coverage percentages for this series:

Coverage Words Needed % of Unique Words
75% 2,043 30.8%
80% 2,596 39.1%
85% 3,321 50.0%
90% 4,426 66.7%
95% 5,532 83.4%
96% 5,753 86.7%
97% 5,974 90.0%
98% 6,195 93.3%
99% 6,416 96.7%

Total Unique Words: 6,637
Total Word Occurrences: 22,113