No significant societal gains, either technological, sociological or artistic are being made, or have been made in recent memory. Your culture has remained essentially as it is for generations. Rulers tend to emphasise maintaining the status quo.
Comfortable: This is the middle class of any Culture, regardless of the average wealth of its citizens. These folk usually live in clean, nicely apportioned homes or apartments, often in better neighborhoods. They eat regularly and occasionally very well.
Approaching adulthood you experience wanderlust and decide to travel, roll 1d6 to detirmine years spent travelling and think about where your character might have gone. (work with your DM to determine details)