PUBLISHER: Grand View Research | PRODUCT CODE: 1842164
PUBLISHER: Grand View Research | PRODUCT CODE: 1842164
The Japan autoimmune disease diagnostics market size was estimated at USD 365.49 million in 2024 and is expected to reach USD 640.45 million by 2033, growing at a CAGR of 6.6% from 2025 to 2033. As the world's fastest-aging nation, with over 29% of its population aged 65 or older, Japan faces a rising prevalence of conditions such as rheumatoid arthritis and autoimmune pancreatitis. This fuels demand for ANA tests, autoantibody panels, and advanced molecular assays. Growth is further supported by innovations in multiplex immunoassays, AI, and biomarker discovery, alongside strong academic-industry collaborations. Partnerships, such as those involving Sysmex, MBL, and Autobio Diagnostics, enhance precision, scalability, and early disease detection.
According to the Statistics Bureau of Japan (October 2023), the country's population stood at 124.35 million, down by 595,000 people (-0.48%) from the previous year-marking the thirteenth consecutive annual decline. Male and female populations fell to 60.49 million (-0.44%) and 63.86 million (-0.51%), respectively. Natural population decline has persisted for 19 years among men and 15 years among women, reflecting ongoing demographic contraction. However, net migration trends offered some offset, with positive net migration among Japanese citizens for the first time in three years, alongside steady growth in the foreign resident population.
This demographic backdrop directly influences the autoimmune disease diagnostics market. Rheumatoid arthritis (RA), for instance, affects an estimated 822,000 people in Japan (Oxford University Press, May 2024), with peak prevalence among individuals aged 65-85. Given its higher occurrence in older adults, RA illustrates how aging demographics are driving demand for diagnostic services-particularly ANA tests, autoantibody panels, and confirmatory molecular assays.
Japan Autoimmune Disease Diagnostics Market Report Segmentation
This report forecasts revenue growth and provides an analysis on the latest trends in each of the sub-segments from 2021 to 2033. For this report, Grand View Research has segmented the Japan autoimmune disease diagnostics market based on type, product, test type, and end use: