If you spend enough time, it's upward, and I met people who had moved to the city 10 years ago, and who are now basically urban middle class people, so the trajectory is definitely upward.
長くいれば たいてい上向きです １０年前に都市に来て 現在は都会の 中流クラスだという人たちも知っています トレンドは確かに上向きなわけです