By 2025, IoT is expected to reach 75 billion connected devices worldwide, a scale that turns sensor streams into a serious business problem, not just a tech trend. The post also breaks down where those connections concentrate, from 941 million smart home units to 24.4 billion industrial links by 2028, and why security gaps are keeping pace with the growth.
Key Takeaways
- The number of connected IoT devices worldwide reached 16.6 billion in 2023
- By 2025, there will be 75 billion IoT devices globally, up from 13 billion in 2021
- In 2023, smart home IoT devices numbered 941 million units worldwide
- By 2030, IoT connections will generate 79.4 zettabytes of data annually
- 5G will enable 50% of new IoT deployments by 2027
- AI-integrated IoT devices to reach 25 billion by 2028
- 68% of enterprises have deployed IoT solutions in manufacturing as of 2023
- 45% of oil and gas companies use IoT for predictive maintenance in 2023
- Healthcare IoT adoption rate stands at 62% among hospitals for asset tracking in 2023
- The global IoT market was valued at $318.45 billion in 2023 and is expected to grow to $2,184.47 billion by 2032 at a CAGR of 23.28%
- IoT spending worldwide reached $1.1 trillion in 2023, with a projected CAGR of 13.2% through 2027
- The enterprise IoT market size stood at $243.26 billion in 2023 and is forecasted to hit $737.01 billion by 2030 at a CAGR of 17.3%
- 75% of DDoS attacks target IoT devices in 2023
- IoT malware attacks increased by 107% year-over-year in 2023
- 95% of IoT devices are vulnerable to known exploits as of 2023
IoT will surge from 16.6 billion devices in 2023 to 75 billion by 2025.
Related reading
01 · Category
Device Numbers27 stats
01
The number of connected IoT devices worldwide reached 16.6 billion in 2023
02
By 2025, there will be 75 billion IoT devices globally, up from 13 billion in 2021
03
In 2023, smart home IoT devices numbered 941 million units worldwide
04
Industrial IoT devices are expected to account for 24.4 billion connections by 2028
05
Automotive IoT devices reached 429 million in 2023, projected to 1.3 billion by 2030
06
Wearable IoT devices shipments hit 489.3 million units in 2023 globally
07
Healthcare IoT devices numbered 27 billion in active use in 2023
08
Smart city IoT devices expected to reach 1.1 billion by 2026
09
Agriculture IoT devices grew to 164 million in 2023
10
Retail IoT endpoints reached 14.2 billion in 2023
11
Manufacturing sector has 13.5 billion IoT devices deployed as of 2023
12
Energy and utilities IoT devices at 11.8 billion in 2023
13
Logistics IoT trackers numbered 2.4 billion in 2023
14
Consumer electronics IoT devices at 5.6 billion smart TVs and appliances in 2023
15
Environmental monitoring IoT sensors reached 1.2 billion deployments in 2023
16
In healthcare, IoT devices for remote patient monitoring numbered 50 million in 2023
17
Narrowband IoT (NB-IoT) connections to reach 3.2 billion by 2028
18
Smart meters in utilities reached 1.2 billion installations worldwide in 2023
19
Connected vehicles IoT devices numbered 320 million in 2023
20
Location-based services in IoT reached 4.1 billion devices in 2023
21
Building automation IoT devices numbered 800 million in commercial spaces 2023
22
Pet wearables IoT devices 2.5 million active in 2023
23
Fitness trackers shipments 126 million units in 2023
24
Drone IoT devices 1.8 million commercial in 2023
25
Smart speakers shipments 147 million units 2023
26
Smart lighting IoT bulbs 450 million installed 2023
27
Robotic process automation with IoT 3.2 million deployments 2023
Interpretation
Device Numbers Interpretation
The world is quietly orchestrating a seamless digital symphony—from smart homes and factories to farms and your own wrist—with billions of connected devices whispering data, proving we're not just living in the future but meticulously building it in real time.
02 · Category
Future Projections20 stats
01
By 2030, IoT connections will generate 79.4 zettabytes of data annually
02
5G will enable 50% of new IoT deployments by 2027
03
AI-integrated IoT devices to reach 25 billion by 2028
04
Digital twins in IoT will be used by 75% of large enterprises by 2027
05
Blockchain for IoT security adoption to grow to 30% by 2028
06
Sustainable IoT for green tech projected to save $1 trillion in energy by 2030
07
Quantum-safe cryptography for IoT needed by 2035 for 90% of devices
08
Metaverse IoT integrations to create 10 billion virtual devices by 2030
09
Space-based IoT constellations to cover 100% of Earth by 2027
10
Autonomous IoT swarms in agriculture to boost yields 20% by 2030
11
Edge AI in IoT to process 75% of data locally by 2025
12
By 2028, 80% of industrial enterprises will use generative AI with IoT
13
By 2030, IoT will contribute $15.7 trillion to global economy
14
6G networks to support 1 trillion IoT devices per sq km by 2035
15
Neuromorphic computing for IoT edge to grow 45% CAGR to 2030
16
Federated learning in IoT privacy to be standard by 2028
17
Ambient computing IoT ecosystems to dominate 50% homes by 2030
18
Self-healing IoT networks to prevent 90% downtime by 2030
19
Holographic interfaces for IoT control by 2035 in 40% enterprises
20
Carbon-neutral IoT manufacturing standards by 2040 for 95% devices
Interpretation
Future Projections Interpretation
While our future hinges on a tidal wave of 79.4 zettabytes of annual IoT data, we'll only thrive if we can securely, sustainably, and intelligently weave it all together through a fabric of 5G, AI, blockchain, and digital twins, lest our hyper-connected world collapses under its own brilliant, 15.7-trillion-dollar weight.
03 · Category
Industry Applications22 stats
01
68% of enterprises have deployed IoT solutions in manufacturing as of 2023
02
45% of oil and gas companies use IoT for predictive maintenance in 2023
03
Healthcare IoT adoption rate stands at 62% among hospitals for asset tracking in 2023
04
In agriculture, 35% of farms use IoT for precision farming as of 2023
05
Retail sector IoT penetration for inventory management is 52% in large chains in 2023
06
Transportation industry sees 78% of fleet operators using IoT telematics in 2023
07
Smart cities utilize IoT in 88% of urban traffic management systems worldwide in 2023
08
Energy sector IoT for smart grids adopted by 70% of utilities in 2023
09
In construction, 41% of firms use IoT wearables for worker safety in 2023
10
Hospitality industry IoT adoption for guest experience is 55% in hotels in 2023
11
Financial services use IoT in 29% of branches for smart ATMs in 2023
12
Mining industry deploys IoT sensors in 60% of operations for equipment monitoring in 2023
13
55% of enterprises use IoT in supply chain visibility in 2023
14
72% of manufacturers report ROI from IoT within 2 years in 2023
15
64% of retailers use IoT for personalized customer experiences in 2023
16
48% of banks deploy IoT for fraud detection in branches 2023
17
58% of logistics firms use IoT for real-time tracking 2023
18
67% of energy firms use IoT for demand forecasting 2023
19
76% of pharma companies use IoT for cold chain monitoring 2023
20
53% of insurers leverage IoT for usage-based policies 2023
21
61% of government agencies use IoT for public safety 2023
22
49% of education institutions deploy IoT smart campuses 2023
Interpretation
Industry Applications Interpretation
While industries from smart cities (88%) to mining (60%) are being wired for efficiency and insight, it’s clear the Internet of Things has graduated from a buzzword to a business imperative, proving that if you’re not sensing, tracking, or optimizing something, you’re probably already behind.
More related reading
04 · Category
Market Growth20 stats
01
The global IoT market was valued at $318.45 billion in 2023 and is expected to grow to $2,184.47 billion by 2032 at a CAGR of 23.28%
02
IoT spending worldwide reached $1.1 trillion in 2023, with a projected CAGR of 13.2% through 2027
03
The enterprise IoT market size stood at $243.26 billion in 2023 and is forecasted to hit $737.01 billion by 2030 at a CAGR of 17.3%
04
Global IoT connections are expected to reach 29.3 billion by 2030, up from 16.6 billion in 2023
05
The IoT platform market was valued at $10.2 billion in 2022 and projected to grow to $56.32 billion by 2032 at a CAGR of 18.7%
06
Industrial IoT market revenue hit $277.65 billion in 2022 and is set to reach $1,110.44 billion by 2032, CAGR 14.9%
07
Consumer IoT market size was $140.01 billion in 2023, expected to grow to $429.63 billion by 2031 at CAGR 15.2%
08
IoT security market valued at $28.5 billion in 2023, projected to $112.4 billion by 2032, CAGR 16.3%
09
Edge computing market for IoT reached $4.5 billion in 2023, to grow to $43.39 billion by 2030 at CAGR 37.9%
10
IoT sensors market size was $20.15 billion in 2023, forecasted to $85.43 billion by 2032, CAGR 17.5%
11
Global IoT market revenue to hit $1.6 trillion by 2025 from enterprise spending
12
IoT chipsets market valued at $33.2 billion in 2023, to $143.24 billion by 2032, CAGR 17.7%
13
The IoT analytics market size was $14.5 billion in 2022 and expected to reach $110.8 billion by 2030, CAGR 29.8%
14
Wireless connectivity technology market for IoT at $32.8 billion in 2023, to $101.4 billion by 2030
15
IoT middleware market valued at $12.6 billion in 2023, to $45.2 billion by 2030 CAGR 20.1%
16
Asset management IoT software market at $6.8 billion 2023, to $22.4 billion 2030
17
IoT testing market $1.2 billion 2023 to $4.8 billion 2030 CAGR 21.7%
18
Fleet management IoT market $22.5 billion 2023 to $78.2 billion 2030
19
IoT managed services market $25.4 billion 2023 to $124.6 billion 2030 CAGR 25.2%
20
Predictive maintenance IoT market $12.7 billion 2023 to $51.4 billion 2030
Interpretation
Market Growth Interpretation
The sheer scale of these projections suggests we’re not just connecting lightbulbs and thermostats, but building a multi-trillion-dollar nervous system for the entire planet, where security, analytics, and connectivity are becoming as essential as the devices themselves.
05 · Category
Security Issues20 stats
01
75% of DDoS attacks target IoT devices in 2023
02
IoT malware attacks increased by 107% year-over-year in 2023
03
95% of IoT devices are vulnerable to known exploits as of 2023
04
Botnets powered by IoT devices launched 40% of all cyber attacks in 2023
05
Only 10% of organizations encrypt all IoT communications in 2023
06
Ransomware incidents on IoT infrastructure rose 300% in healthcare in 2023
07
57% of IoT breaches due to weak passwords in 2023 surveys
08
Firmware vulnerabilities affect 60% of IoT devices without updates in 2023
09
Supply chain attacks on IoT vendors increased 50% in 2023
10
Privacy data leaks from IoT devices impacted 1.5 billion records in 2023
11
39% increase in IoT cyber attacks in Q1 2023 alone
12
80% of IoT projects face security challenges delaying deployment in 2023
13
IoT device hijacking for cryptomining up 150% in 2023
14
Only 31% of IoT devices receive regular security patches in 2023
15
Phishing attacks exploiting IoT rose 42% in 2023
16
70% of organizations lack IoT governance policies 2023
17
Zero-day exploits on IoT up 25% in 2023
18
65% of IoT data unencrypted in transit 2023
19
Man-in-the-middle attacks on IoT doubled to 28% of incidents 2023
20
82% of CISOs cite IoT as top emerging risk 2023
Interpretation
Security Issues Interpretation
Our collective rush to connect everything to the internet has essentially built a global, poorly-secured robot army that is now enthusiastically attacking us.
Reference
Cite This Report
This report is designed to be cited. We maintain stable URLs and versioned verification dates. Copy the format appropriate for your publication below.
APA
Christopher Morgan. (2026, February 13). IoT Statistics. Gitnux. https://gitnux.org/iot-statistics
MLA
Christopher Morgan. "IoT Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/iot-statistics.
Chicago
Christopher Morgan. 2026. "IoT Statistics." Gitnux. https://gitnux.org/iot-statistics.
Sources & references
63 datasets cited across this report · attribution is report-level
akamai.com