This study assess how well hypertensive patients adhered to lifestyle modifications and it identifies the barriers to compliance with lifestyle modifications. It employed an online-based cross-sectional study among hypertensive patients in the east, west, middle, north, and south regions of Saudi Arabia. The study included 1135 participants, 55.8% of them were females and 44.2% of them were males. 25.2% of participants aged between 41- 50 years old. 33.4% of participants had hypertension for less than one year, 28.2% for 1- 5 years and 23.8% for more than 10 years. 56.5% of participants take anti-hypertensive medications. 32.6% have 3 meals per day 27% have less than three meals and 21.9% have 4 meals per day. 41.1% of the participants exercise. 15.1% of the participants were smokers. Medication adherence was significantly associated with age, BMI, marital status, educational level, occupation, and hypertension (P