The connected cities segment—covering government-funded infrastructure, “smart” roadways and bridges, streetlights, power grids and other utilities, public-safety video security networks, environmental and weather monitors, and other systems—is expected to increase 7.0% this year to $38.8 billion.

The strongest growth in 2018 is still expected to occur in the IoT-connected vehicle category, which is forecast to rise 21.6% this year to $4.5 billion.

IoT sales generated by connected home systems are forecast to grow 16.0% in 2018 to $2.9 billion.

The wearable category (including Internet-enabled smartwatches and medical units) is expected to rise 12.4% to $11.8 billion this year.

IC Insights has lowered its 2016-21  sales growth forecast of wearable systems from a CAGR of 12.8% to 11.9%; 

The connected homes applications is expected to drop  from a CAGR of 16.8% to 14.8%; 

The industrial Internet segment is expected to drop from a CAGR of 18.7% to 17.8% in the five-year period.

The 2016-21 sales growth forecast for  connected vehicle systems is a CAGR of 22.9%.