I took the participant list of the last History of Economics Society (HES) meetings, and classed the participants by nation of affiliation, i.e. nation of home institution. (In the few instances of scholars with two homes, I took as reference the institution of their email account. The “Other” category collapses all countries with only one participant: South Africa, Australia, South Korea, India, Mexico, Denmark and Belgium.) The population was 155.
This exercise says little if one has no term of comparison and I have to look in my files to see if I have lists of participants for earlier HES meetings, or ESHET. What is striking is that North America accounts for less than 50% of participants, with a few institutions heavily represented. France was the second largest at the Denver meetings. 63 Europeans nearly matched the 64 participants from the USA. Is HES still American?