The wearable sensor industry will be worth $2.5 billion in 2020, having tripled in size since 2014. This comes despite the significant economic challenges presented by the COVID-19 pandemic, which has caused a reduction in the total revenue this year. However, the industry is expected to progress back to significant growth from 2021, reaching annual revenue of over $8bn per year by 2031. These are the headline findings from the latest IDTechEx report “Wearable Sensors 2021-2031“, which characterizes the entire industry landscape for wearable sensors.
Characterizing The Wearable Sensors Within The Industry
Building on IDTechEx's extensive track record covering the wearable technology industry as a whole, this latest report focuses on arguably one of the most important component types which provides the key value proposition for many wearable technology products. The report covers over 17 different types of wearable sensor, characterizing the technology, applications and industry landscape for each area. This ranges from core and familiar technology areas such as motion sensing via IMUs, optical heart rate monitoring and wearable electrodes, though to more unique sensor types such as chemical sensors, 3D imaging & cameras or force/pressure sensors.
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The report looks at the sensor's place within the wearable devices, describing the technology and value chain behind each sensor, as well as the emerging landscape for each. For example, on the wrist, we have seen optical heart rate metrics be introduced and then expanded to include additional features such as heart rate variability (HRV) and blood oxygen (spO2) metrics (as seen in the Apple Watch 6 and other competitive products). However, there is additional potential for these functions to expand, adding more wavelengths on the optical chips and opening up new potential applications into the future.
A similar product roadmap has been described for each sensor type. IDTechEx's extensive coverage of different wearable product areas links into this dedicated study on sensors. For example, for the many types of electronic skin patches which incorporate wearable electrodes, the report describes how electrode material stacks are being developed to enable increased wear time without sacrificing comfort, safety or performance. In hearables, there has been a significant investment towards the integration of sensors for physiological monitoring alongside the traditional hearing health-focused functions. Whilst commercial progress here is still in the very early stages, the report discusses the opportunity here for many different sensor types.
The Importance Of Sensors
However, the overarching message continues to emphasize the importance of sensors within the whole wearable technology sector, providing the key functionality behind core value propositions for many wearable device types. This is driving a significant revenue growth, both in terms of raw annual revenue from sensors but also in sensor revenue as a percentage of the total revenue from wearables. This is enabled as increasing expansion of sensor capabilities drives increasing importance over time within the sector as a whole. Details of this trend from 2015 to 2024 are detailed in the attached chart.
For more information about the report or its conclusions, to access additional figures or data from the report or to speak to the authors, please contact Research@IDTechEx.com. The report is available from the IDTechEx website, which also includes a table of contents and details of more than 100 companies profiled over time as part of this research.
Wearable sensor annual revenue (values, forecast and % of total wearable technology product revenue) from 2015-2024. Source: IDTechEx report "Wearable Sensors 2021-2031"