Nihon Daikyoukaku is a Japanese movie of 15,003 characters, with 1,507 unique words and 653 different kanji. Its difficulty rating on Jiten is expert, 4.2 out of 5. The full vocabulary list ranks all 1,507 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.
Here are some of the words that appear most often in this media, as well as a sample of its rarer vocabulary.