The best replacement for passports is visas.

The best alternatives to passports are rated as following:
★★★★★  visas
★★★  passport cards
★★  passcards
  pass cards

Your alternative for passports is not listed? Suggest!
Speaking about passports, one probably shouldn't forget about felonies.

Other search terms related to passports and their ratings are:
★★★★★ felonies
★ cruises
problems
You have in mind a companion for passports and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of passports in all years. Click on graph for more.
passports
visas
passport cards