Is Shibuya safe at night?

What the actual hazards are
Density, first. On a Friday night the Crossing and Center-gai are shoulder to shoulder, and the practical consequences are a dropped phone and a separated group rather than anything worse. Second, opportunistic theft in exactly those crowds, which is uncommon here and not impossible. Third, the touts outside the bars on Center-gai. A firm no and a continued walk ends the conversation every time.
How I move through it
Phone in a front pocket or on a strap, bag closed and in front of me in the crush, and an agreed meeting point if I am with people, because phone signal in that crowd is not dependable. I have walked this neighbourhood at every hour since 2016 and never had a problem worth reporting.
If you would rather not do it alone
A guided evening walk solves the navigation and the touts at once, and the ones here include the rooftop admission. The most reviewed of them rates 4.3 from 249 reviews, which is the lowest score on this site: reviewers praise their guides by name and complain about pace and group size, so the variance is the risk you take. Compare them on night and sunset tours. If you want the streets without a ticket, the free viewpoints are all in the same few blocks.
Frequently asked questions
Is it safe to walk around Shibuya at night?
Yes. It is busy, well lit and patrolled, and the realistic risks are crowd crush at the Crossing and opportunistic pickpocketing rather than violence.
Should I avoid Center-gai?
No, but expect touts outside the bars. Decline and keep walking; do not follow anyone to a venue you did not choose yourself.
Is SHIBUYA SKY open late?
Until 22:30, with last entry at 21:20, so a late slot is a genuine option. Which hour gives the best view is on the best time to visit.