Complex sentence: First generation Pakistani Norwegians are distinguished from the mainstream in several demographic aspects, while second generation Pakistani Norwegians are much closer to mainstream Norwegian society and have gone on to become professionals and politicians.
Split into simpler sentences: First generation Pakistani Norwegians are distinguished from the mainstream in several demographic aspects, while second generation Pakistani Norwegians are closer to mainstream Norwegian society than to their parent's generation in demographic aspects. They are well established in Norway and have gone on to become professionals and politicians.