This book is a work of PhD thesis conducted on adjustment and life satisfaction of middle-aged couples. In this study 555 middle-aged couples (total 1,110 people) belonging to Narsinghpur district of Madhya Pradesh were selected for research. The survey included 2 standardized and 1 self-made psychological tools which included open and close ended questionnaires along with the demographic profile of the respondents to be filled. The study included statistical methods like t-test, correlation, frequency distribution, etc. to analyze the adjustment and life-satisfaction based on multiple parameters..