Recommending a single vacuum as a one sized fits all solution to your cleaning needs at home would be a disservice to you because what I need in my home is different from your need in yours. Below are different guides for the different needs you may have.
One more thing, I've prepared a guide that will help you differentiate the different types of vacuum cleaners, it's purpose, pros and cons and the homes it will benefit the most. I also have a separate guide for cordless vacuums - trust me there are a lot and if the terminologies confuse you, the guide will help you at least make an educated decision and not swayed by tech-speak.
If you're just looking for the latest reviews then head over here.