No single job suits all of us, but many of the best ones have a few attributes in common: They pay well, challenge us year after year, match our talents and skills, aren't too stressful, offer room to advance throughout our careers and provide a satisfying work-life balance. Whether the position is in demand is also a consideration, especially among job seekers. U.S. News uses these qualities to rank the 100 Best Jobs of 2018. Software developer, physician assistant, dentist, nurse practitioner and orthodontist are among the top-ranked careers on the list. You can also explore the best paying jobs and other more specific career rankings.