<em>A multi-issue interest group is an interest group that is primarily concerned with a wide range of issues.</em>
We can define an interest group as a group of like-minded people that want to influence the government officials on subjects of politics and economics. They also want to influence public opinion in favor of one of their projects. A multi-issue interest group is an interest group that is primarily concerned with a wide range of issues. They even hire lobbyists to promote their interest in governmental offices.
