The orientation of door Handles, whether on the left or right side, can vary based on several factors, including design preferences, cultural norms, and practical considerations.

 However, if you are observing that most door handles seem to be on the left, here are a few reasons that might explain this perception:

Standardization: In many regions, there are common practices or standards for door hardware installation. For example, in the United States, many doors are designed to be right-hand or left-hand based on the way they swing open. If a majority of doors in a particular area are installed with left-side handles, it may create the impression that left-side handles are more common.

Cultural Norms: In some cultures, there may be a preference for left-side door handles due to the way people typically approach doors or the handedness of the population. For instance, if a significant portion of the population is right-handed, they may find it more comfortable to operate a left-side handle.

Design Trends: Architectural and interior design trends can influence the placement of door handles. If a particular style or trend favors left-side handles, it may lead to a higher prevalence of that orientation in new constructions or renovations.

Practical Considerations: The placement of door handles can also be influenced by the layout of a space. For example, if a door is adjacent to a wall or another door, the handle may be placed on the left side to allow for easier access and operation.

Historical Practices: In some cases, historical practices in construction and design may have established a norm for handle placement that continues to influence modern installations.

Ultimately, while there may be a perception that most door handles are on the left, the actual distribution can vary widely based on location, design choices, and individual preferences.