According to PayScale, project managers employed by the government make the most money on average at about $84,000 a year, and those who are employed through a fellowship make the least averaging about $58,000 a year. That's almost a $30,000 a year difference in income.ccording to PayScale.com, entry-level project managers typically start at around $52,000 a year. Those with 1-4 years of experience can expect to make about $56,000 a year. That's not too bad, considering that other entry level jobs often have lower starting salaries.