How will the relative humidity of the air inside a room compare to the outside?

The relative humidity inside a room can vary significantly compared to the outside air, depending on factors such as temperature, ventilation, and moisture sources. If the room is well-insulated and lacks ventilation, the humidity may be higher indoors, especially with activities like cooking or showering. Conversely, if the outside air is humid and the Windows are open, the indoor humidity could match or exceed the outdoor levels. Overall, the difference in relative humidity is influenced by the specific conditions and activities occurring in the indoor space.