Everyone sins a little, but most people are good by nature.
This is one of the questions posed by Ligonier on the "State of Theology" survey by self-identified Evangelicals in 2018. As for what is an evangelical I'd recommend Martin Lloyd-Jones' book:
Happily, a full 94% agree with this statement ...
There is one true God in three persons: God the Father, God the Son, and God the Holy Spirit.
Incredibly 73% say that Jesus is a created being‼ Has the term "evangelical" lost its meaning?
Here are the results for this statement:
Even the smallest sin deserves eternal damnation.
What is the solution? Catechisms and confessions. Luther's catechism is helpful (menu @ top right). Also, the Heidelberg confession. Spurgeon's catechism is quite good. What do you think is the cure for Low Theology Evangelicals?