Not true. As Japan pulled back from nuclear due to fears stemming from Fukushima accident, they increased coal reliance which has a direct impact on health of thousands of people.
This article [3] from Oak Ridge National Laboratory REVIEW (1993 I believe, so a bit dated) states "The population effective dose equivalent from coal plants is 100 times that from nuclear plants"
[1]( https://www.scientificamerican.com/article/coal-ash-is-more-...) [2]( https://pubs.usgs.gov/fs/1997/fs163-97/FS-163-97.html) PDF Warning: [3]( https://www.ornl.gov/sites/default/files/ORNL%20Review%20v26...)