This is the minimum space needed for people to pass by when serving or leaving the dinner table.

Dining

reclaimed wood dining room table

Choosing the right dining table can cause even the most self-assured designer to agonize over making the right decision. If your space doesn’t allow for a table larger than 72”, but you’re concerned about not having enough seating for guests, you do have a couple of options.

Source: https://www.pinterest.com/explore/rustic-wood-dining-table/