The best replacement for chairs is pews.

The best alternatives to chairs are rated as following:
★★★★★  pews
★★★★  gliders
★★★  booster seats
★★★  benches
★★  couches
★★  inversion tables
★★  bench seat
★  stools
★  wheelchairs
★  champs
★  scooters
★  bucket seats
  recliners
  herman miller
  sofas
  socratic seminar
  chair covers
  tables
  potty seats

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

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



Google Trends

Scale is based on the average worldwide traffic of chairs in all years. Click on graph for more.
chairs
pews
gliders