All of these projects must fail because of a reason. All these projects must fail for a reason. There are many factors that can lead to project failure. These are the top causes of project failure according to the UK Office of Government Commerce.
Lack of clear executive leadership (the “missing Sponsor”).
Poor processes for managing and identifying the risks associated with a project
There is often a gap between Project team members (often with technical expertise), and the rest of the business, who sometimes don’t get the nitty gritty details.
It is important to recognize and manage that humans are naturally resistant and have negative effects on people and business processes.
Due to rapid changes in business environment, project durations can exceed one year.

The most common reason for project failure was technology. This shows that human consequences of changes are more important than any IT system design.
There is a lot academic research that explains why some projects fail and others that makes them successful. Organisations must be willing to discuss the reasons why projects fail in project management. It is not the same as filling out a questionnaire anonymously for someone in academia, but it is different to make public details about your project’s failings. Many cases of project failures involve public-funded projects that are accountable for taxpayers. Most of the projects listed in section 3 are open to the public. Anyone can access audit reports and inquires. Managers of all sizes can learn a lot even though they are often very large.

My definitive guide to project success will help you get your project on the right footing.