noun
women aged 35-49 (marketing demographic)
Marketing term used in Japan to refer to the female demographic aged 35 to 49, often as a target audience for television, advertising, and consumer products.
この番組はF2層をターゲットにしています。
This program targets the F2 demographic (women aged 35-49).
F2層に人気の商品を調査する
We research products popular with the F2 demographic.