1. Market size
As an important source of information interaction and perception in the era of the Internet of Things, smart sensors are an important pole of the future sensor market. From the perspective of the size of the smart sensor market, in terms of global statistics, according to statistics, the global smart sensor market is expected to grow from $28.33 billion to $35.8 billion in 2018-2020. In 2021, the market size will grow to about 39 billion US dollars, and the growth rate will slow down due to the impact of the epidemic. It is estimated that the global smart sensor market will reach US$43 billion in 2023.
From the perspective of the proportion of the global smart sensor market, from 2018 to 2024, the proportion of the global smart sensor scale will grow steadily from 20.3% to 24%. At present, the proportion of smart sensor market is still rising.

2. Industrial distribution
From the perspective of the distribution of the global smart sensor market, a few manufacturers from economically developed countries such as the United States, Japan, and Germany occupy a major share of the sensor market, while manufacturers from developing countries occupy a relatively small share. According to statistics, in the global smart sensor market in 2020, North America has the highest proportion, reaching 43.3%, and North America, Europe, and Japan together account for 92.8%, forming a monopoly market. Europe and Japan accounted for 30% and 20% respectively. The market share in the Asia-Pacific region is only 6%.

3. Market segments
From the perspective of market structure, by product type, the number of products in the global pressure sensor and liquid level sensor markets will account for a relatively high proportion in 2020, accounting for 8% and 8% respectively. However, ultrasonic sensors are indispensable in the fields of smart car systems, smart homes, and instruments. With the deepening of intelligence in these traditional fields, the proportion of ultrasonic sensors will increase steadily. At present, the number of products in the ultrasonic sensor market accounts for 6%. .

Overview of the smart sensor industry
1. Industry definition
Smart sensors are multi-component integrated circuits with functions of information collection, information processing, information exchange, and information storage. They are system-level products integrating sensor chips, communication chips, microprocessors, drivers, and software algorithms. They are mobile phones, The core components necessary for various smart products such as computers, smart wearables, drones, and robots.

2. Industrial chain
From the perspective of the industrial chain, the upstream of smart sensors is various parts and components to support the perception layer; the midstream is the transmission layer composed of optical transportation, communication equipment, network equipment, etc.; the downstream is basic services, application services, supporting software, computing centers, etc. application layer.