B壱
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% | 532 | 44.9% |
| 80% | 662 | 55.9% |
| 85% | 793 | 67.0% |
| 90% | 923 | 78.0% |
| 95% | 1,054 | 89.0% |
| 96% | 1,080 | 91.2% |
| 97% | 1,106 | 93.4% |
| 98% | 1,132 | 95.6% |
| 99% | 1,158 | 97.8% |
Total Unique Words: 1,184
Total Word Occurrences: 2,611