X Ads (Twitter) Audience Size and Demographics in Japan

X Ads in Japan has an estimated 63.7M adult users.
We use the Ads Manager’s lower forecast, representing unique monthly reach.
Japan’s total population is around 123 million (World Bank, 2024), so over 50% of adults are active here.

Male Audience: 30.80M
Female Audience: 32.90M

Total 18-24: 16.50M
Total 25-49: 40.80M
Total 50+: 6.40M

Gender breakdown is ready to download in XLSX.
Download XLSX

Age Group	Male (M)	Female (M)	Total (M)
18-24	7.10M	9.40M	16.50M
25-49	20.20M	20.60M	40.80M
50+	3.50M	2.90M	6.40M
Total	30.80M	32.90M	63.70M