近年来，汉语在日本的普及度有所提高。
中日关系越来越密切，学习汉语的日本人亦不计其数。[{'character': '中', 'pinyin': 'zhong1', 'highest pitch': 9.6, 'lowest pitch': 9.37, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '日', 'pinyin': 'riii4', 'highest pitch': 10.17, 'lowest pitch': 6.74, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '关', 'pinyin': 'guan1', 'highest pitch': 9.31, 'lowest pitch': 6.74, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '系', 'pinyin': 'xi5', 'highest pitch': 9.14, 'lowest pitch': 6.63, 'duration': 0.3, 'prosody hierarchy': '#2'}, {'character': '越', 'pinyin': 've4', 'highest pitch': 9.51, 'lowest pitch': 7.02, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '来', 'pinyin': 'lai2', 'highest pitch': 8.82, 'lowest pitch': 7.39, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '越', 'pinyin': 've4', 'highest pitch': 9.51, 'lowest pitch': 8.41, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '密', 'pinyin': 'mi4', 'highest pitch': 9.81, 'lowest pitch': 7.77, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '切', 'pinyin': 'qie4', 'highest pitch': 14.15, 'lowest pitch': 5.52, 'duration': 0.35, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.28}, {'character': '学', 'pinyin': 'xve2', 'highest pitch': 10.49, 'lowest pitch': 9.25, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '习', 'pinyin': 'xi2', 'highest pitch': 10.31, 'lowest pitch': 9.31, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '汉', 'pinyin': 'han4', 'highest pitch': 10.26, 'lowest pitch': 8.4, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '语', 'pinyin': 'v3', 'highest pitch': 8.4, 'lowest pitch': 4.95, 'duration': 0.11, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 5.95, 'lowest pitch': 4.21, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '日', 'pinyin': 'riii4', 'highest pitch': 10.17, 'lowest pitch': 5.95, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '本', 'pinyin': 'ben3', 'highest pitch': 8.94, 'lowest pitch': 4.82, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '人', 'pinyin': 'ren2', 'highest pitch': 6.94, 'lowest pitch': 4.51, 'duration': 0.35, 'prosody hierarchy': '#2'}, {'character': '亦', 'pinyin': 'i4', 'highest pitch': 7.64, 'lowest pitch': 6.21, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '不', 'pinyin': 'bu2', 'highest pitch': 6.4, 'lowest pitch': 5.67, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '计', 'pinyin': 'ji4', 'highest pitch': 8.53, 'lowest pitch': 6.4, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '其', 'pinyin': 'qi2', 'highest pitch': 7.21, 'lowest pitch': 5.47, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '数', 'pinyin': 'shu4', 'highest pitch': 8.03, 'lowest pitch': 5.85, 'duration': 0.28, 'prosody hierarchy': '#4'}]