Original sentence: As of 2019, there have been a total of 19 Republican Presidents (the most from any one party in American history), and Republicans have won 24 of the last 40 presidential elections
Edited sentence: As of 2018, there have been a total of 19 Republican Presidents (the most from any one party in American history), and Republicans have won 24 of the last 40 presidential elections.However, the Republicans have lost the popular vote in six out of the last seven presidential elections, as its traditional demographic is declining as a proportion of the U