Around 60 percent of the nation’s new voters aged 18 and 19 are willing to cast a ballot, NHK found in a recent poll. Amendments to electoral laws in June enable 18- and 19-year-olds to vote.
Source: http://www.japantimes.co.jp/news/2016/01/07/national/poll-finds-youth-vote-may-carry-punch-upper-house-election/#.Vo4DW8B953k