This chart has 6 series. “One-person” went from 680.4K in 1395 (2016/17) to 420.9K in 1400 (2021/22). “Two-person” went from 2.4M in 1395 (2016/17) to 1.5M in 1400 (2021/22). “Three-person” went from 3.9M in 1395 (2016/17) to 2.1M in 1400 (2021/22).
Households that traveled in Iran by household size, 1395–1400 (2016–2022)