U.S. CBP reported that they conducted 40k electronic searches in 2019, or about 1-in-10000 travelers. https://www.cbp.gov/newsroom/speeches-and-statements/cbp-sta...
On entry to any country, I sync my devices and wipe them.
https://www.theusconstitution.org/litigation/merchant-v-mayo... https://www.eff.org/deeplinks/2021/10/come-back-warrant-cong...
This really is a shameful state of affairs that Congress should fix, but I’m not holding my breath.