The seven principles are the fundamental building blocks of PRINCE2®. These principles were designed to answer one basic question after reviewing numerous thousands of projects over a period of 30 years: “Why did one project succeed when another project failed?” As the creators of PRINCE2® considered this question, they found that successful projects had seven things in common, and these were collected to form the seven principles.
The researchers developing PRINCE2® found that if the seven principles were employed during a project, then a successful outcome was more probable. The researchers also found that if a project was missing any one of the seven principles, then failure was more much more likely to occur. These seven principles make up the core of the best practices for project management: