a connection or relationship between two or more things that is not caused by chance. A positive correlation means that two things are likely to exist together, a negative correlation means that they are notcorrelation between: the correlation between personal wealth and health
a significant/strong/high correlation: There is evidence of a strong correlation between drinking and violence.
a direct/close/clear correlation: There is usually a direct correlation between an older person’s social status and their level of personal achievement.