The best replacement for parakeets is cockatiels.

The best alternatives to parakeets are rated as following:
★★★★★  cockatiels
★★★★  lovebirds
★★★  budgies
★★  finches
★★  parrots
★  parrotlets
★  canaries
  love birds
  english parakeets
  female parakeets

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

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



Google Trends

Scale is based on the average worldwide traffic of parakeets in all years. Click on graph for more.
parakeets
cockatiels
lovebirds