Attendance inflation

Attendance inflation persists because the incentives all point one way: bigger numbers sell stands, win sponsors, and flatter internal reporting, while the counting methodology sits in a footnote nobody reads. The standard techniques are well known inside the industry — registrations quoted as attendance (typically 30–50% higher than actual show-up on trade events), daily totals summed across a three-day show, and category creep that turns everyone with a badge into a "visitor". The damage is deferred but compounding: exhibitors staff and spend against the claimed number, experience the real one, and recalibrate — first their expectations, then their booth size, then their attendance. Worse, inflation is contagious; once one show in a sector inflates, honest competitors face pressure to match, which is precisely the race audits and standard definitions exist to stop. For organizers, the practical defence is boring transparency: publish the counting method next to every figure, separate unique visitors from visits, and break out categories. The common mistake is assuming exhibitors can't tell — experienced ones estimate real traffic from their own badge scans and lead counts, and a large gap between your claim and their scanner data costs more trust than a smaller honest number ever would. One honest nuance: some inflation is inherited, not chosen — teams quote the number the previous team quoted, method unknown. Auditing your own history is uncomfortable and worth it.