Insight
Urban regions like Dhaka, Comilla, Barishal, Bogura, Mymensingh, Sylhet have more influence on deciding which party is winning the election. Rural regions have less swing and predictable outcome.
AL and BNP 'swing' seats
If change in the 'seat winner' party matches with the change in the 'election winner' party, we declare the seat as a 'swing' seat. Here, we count how many times a seat has been a 'swing' seat.
Highlighting the frequency of swing seats. Since 4 elections are considered, maximum 3 swings are possible.