TSIA/ISTI-ITRI global revenue share for IC packaging and testing
This statistic shows Taiwan’s position in outsourced semiconductor packaging and testing. TSIA/ISTI-ITRI still ranked Taiwan first globally every year from 2021 to 2025e. The share decline from 57% to 48% also shows that leadership can coexist with a more distributed global OSAT market. The 2025 value is an estimate, not a final official total.
Source 1: Taiwan Semiconductor Industry Association; ISTI-ITRI
Publisher: Taiwan Semiconductor Industry Association; ISTI-ITRI
Units: Percent share, NT$ billions and rank
OSAT here covers IC packaging and testing. Shares are revenue shares, not wafer or unit capacity shares.
Use TSIA/ISTI-ITRI Table 7 global market-share series for Taiwan IC packaging and testing revenue. Values are percent share of world revenue; 2025 is marked as estimate.
Taiwan Semiconductor Value Chain: Foundry, Design and Backend
Foundry dominated 2024 output; packaging and testing together were 11.7%.
MediaTek Revenue vs Taiwan Integrated-Circuit Design Sector
MediaTek’s 2024 revenue was about 42% of Taiwan’s integrated-circuit design industry.
Taiwan Integrated-Circuit Design Revenue Concentration, 2024
MediaTek was about 42% of Taiwan integrated-circuit design revenue; top three were about 59%.