The league started out in 1963 with 20 teams in the league, which was reduced to 18 the year after.
It was formed from the eleven clubs of the Oberliga West which were not admitted to the new Bundesliga, from the top eight clubs of the 2. Oberliga West and one club from the Verbandsliga Westfalen, the Lüner SV. The Regionalliga West was as such a continuation of the Oberliga West under a different name and a tier lower.
Along with the Regionalliga West went another four Regionalligas, these five formed the second tier of German football until 1974:
Regionalliga Nord, covering the states of Niedersachsen, Schleswig-Holstein, Bremen and Hamburg
Regionalliga Süd, covering the state of Bayern, Hessen and Baden-Württemberg
The new Regionalligas were formed along the borders of the old post-World War II Oberligas, not after a balanced regional system. Therefore, the Oberligas Berlin and West covered small but populous areas while Nord and Süd covered large areas. Südwest was something of an anomaly, neither large nor populous.
The winners and runners-up of this league were admitted to the promotion play-off to the Bundesliga, which was staged in two groups of originally four, later five teams each with the winner of each group going up.
The bottom teams in varying number were relegated to the Verbandsligas. Below the Regionalliga West were the following Verbandsligas:
Schwarz-Weiß Essen is the only club to have played in all eleven seasons of the Regionalliga West.
Disbanding of the Regionalliga West
The league was dissolved in 1974. According to their performance of the last couple of seasons, 11 clubs of the Regionalliga went to the new 2. Bundesliga Nord. The seven remaining clubs were relegated to the Amateurligas.
The teams admitted to the 2. Bundesliga Nord were:
In 1994, the Regionalligas were re-established, after 20 years, this time as the third tier of German Football. The new Regionalliga West/Südwest was a merger of the two old Regionalligas Südwest and West. In 2000, this league was disbanded again and its clubs spread over the Regionalligas Süd and Nord.
In 2008, the Regionalliga West reformed again, covering the same territory as the Regionalliga West/Südwest did but now called West only. It is the fourth tier of football in Germany.
Bold denotes team went on to gain promotion to the Bundesliga.
Alemannia Aachen (1964, 1967, 1999), SG Wattenscheid 09 (1974, 1997), Rot–Weiss Oberhausen (1969, 1998) and Rot–Weiss Essen (1973, 2004, 2006) all have won the old and the new Regionalliga.
Deutschlands Fußball in Zahlen, (in German) An annual publication with tables and results from the Bundesliga to Verbandsliga/Landesliga, publisher: DSFS
Kicker Almanach, (in German) The yearbook on German football from Bundesliga to Oberliga, since 1937, published by the Kicker Sports Magazine
Die Deutsche Liga-Chronik 1945–2005(in German) History of German football from 1945 to 2005 in tables, publisher: DSFS, published: 2006