Wave All Your Fingers at Your Neighbor Day

What the day is

Wave All Your Fingers at Your Neighbor Day is observed on February 7. The joke is in the specification: all the fingers, as opposed to the one-finger alternative.

Origin and background

The origin of the observance is not documented. The subject underneath it is better studied than the name suggests.

Knowing neighbors turns out to matter for things that sound unrelated to neighborliness. Research on what sociologists call collective efficacy, meaning the willingness of residents to act for the common good combined with mutual trust, has found it associated with lower neighborhood crime rates independently of income and other factors. The mechanism is unglamorous: people who recognize each other notice what is out of place and are more willing to intervene or ask.

It matters more acutely in emergencies. Analyses of disaster survival, including heat waves and floods, repeatedly find that socially connected neighborhoods fare better than isolated ones with comparable resources. A well-known study of a Chicago heat wave found that neighboring areas with similar poverty levels had very different death tolls, and that the difference tracked whether residents knew each other well enough to check on the elderly. Rescue in the first hours after a disaster is overwhelmingly performed by neighbors, not services.

The barrier is usually not unfriendliness but a mutual misreading. People consistently underestimate how much strangers and acquaintances want to be approached, and both parties wait for the other to start, which produces streets of people who would all like to know each other and do not.

The wave is a low-cost solution to that standoff. It requires no conversation, commits nobody to anything, and establishes recognition.

How to take part

• Wave, with all the fingers, to everyone you pass on your own street.
• Learn one neighbor's name that you have been embarrassed not to know.
• Check on anyone elderly or unwell living alone nearby.
• Swap phone numbers with the two houses either side, which matters when something goes wrong.
• Go first. Both of you are waiting.