Complex sentence: As of 2005, the population of Ust'-Luga did not exceed 2,000, but the port administration expects it to grow to 34,000 by 2025, thus becoming the first new town built in Russia after the fall of the Soviet Union.
Split into simpler sentences: As of 2005, the population of Ust'-Luga does not exceed 2,000, but the port administration expects it to grow to 34,000 by 2025. This would make Ust'-Luga the first new town built in Russia after the fall of the Soviet Union.