Some 4 million patients globally will remotely monitor their health conditions by 2020, up from 664,000 patients in 2014, according to a new report from IHS Technology.

IHS also broke out estimates for congestive heart failure, diabetes, COPD, and mental health. Just over 324,000 patients monitored congestive heart failure in in 2014 and IHS predicts the number of patients monitoring this condition will grow at a CAGR of 34%.

Some 80,900 patients monitored COPD in 2014. By 2020, the number of patients monitoring COPD will grow at a CAGR of 29 percent to 371,000.

While the number of patients monitoring hypertension remotely in 2014 — 83,000 — is about the same as those tracking COPD in 2014, IHS predicts the number of hypertension patients to grow at a more rapid pace — with a CAGR of 38 percent — to 574,000 in 2020.