What are the characteristics of people who live in Kaliyuga , how are people in Kaliyuga different from those living in previous Yugas ?
There is a sharp deterioration of moral standing of people in Kali Yuga compared to earlier Yuga.
These are the characteristics of Kaliyuga: violence, jealousy, falsehood, deception and slaughter of ascetics. These are the characteristics of Kali age which people inherit.
Vayu Purana I.58.31
Affected by the traits of the Age, entire dharma deteriorates. It is doubtful whether the livelihood (of the people) can be achieved even by putting up mental strain, physical exertion or prayers.
Vayu Purana I.58.32
In Kali Age, there are fatal diseases. There is perpetual fear of hunger. There is terrible danger of draught. Vision is blurred and rendered perverse.
Vayu Purana I.58.33
In Kali age people are unrighteous, unmindful of the rules of conduct, fierce in anger but deficient in power and splendor. They always utter falsehood.
Vayu Purana I.58.35