The T5 and T-LED indexes posted a year-over-year decrease for 3Q 2021 shipments, compared to 3Q 2020, of 5.8 percent and 13.5 percent, respectively.T8 and T12 lamp shipment indexes showed a year-over-year increase compared to Q3 2020 of 23.7 percent and 7.6 percent, respectively. The index also showed a slight quarter-over-quarter decline for T-LED shipment of 1.0 percent and T8 shipments of 0.4 percent compared to 2Q 2021. T5 and T12 shipments show increases when compared to the previous quarter of 6.5 percent and 3.2 percent, respectively.

In 3Q 2021 T-LEDs accounted for 27.0 percent of the florescent lamp shipments.  T8 lamps accounted for 52.8 percent of 3Q 2021 shipments while T5 and T12 lamps claimed the remaining 8.9 and 11.3 percent of the market, respectively.