While most Google AdWords advertisers will never reach their account limits, it’s always helpful to know what those limits are. Account organization and ongoing restructuring is an important part of optimization and knowing your account limits is especially important if you are fast becoming a “Keyword Groupie”. You can read more about how to be a “Keyword Groupie” here.

Per Adwords help (scroll down to AdWords accounts limits section), here are some basics:

  • 10,000 campaigns
  • 20,000 ad groups per campaign
  • 10,000 keywords per ad group