First
1948 — Amsterdam, the Netherlands
Theme: The Christ of the Scriptures

Second
1950 — Geneva, Switzerland
Theme: Twentieth Century Reformation

Third
1954 — Elkins Park, PA, USA
Theme: The Historic Christian Faith

Fourth
1958 — Rio-Petropolis, Brazil
Theme: The Christ of the Scriptures

Fifth
1962 — Amsterdam, the Netherlands
Theme: Jesus Christ: The Same Yesterday, Today, and Forever

Sixth
1965 — Geneva, Switzerland
Theme: Jesus Christ: The Way, the Truth, and the Life

Seventh
1968 — Cape May, NJ, USA
Theme: Forever, O Lord, Thy Word Is Settled in Heaven

Eighth
1973 — Cape May, NJ, USA
Theme: Worthy Is the Lamb

Ninth
1975 — Nairobi, Kenya
Theme: The First and the Last

Tenth
1979 — Cape May, NJ, USA
Theme: Christ in the Midst of the Churches

Eleventh
1983 — Cape May, NJ, USA
Theme: Victory By Faith in Jesus Christ

Twelfth
1988 — Cape Canaveral, FL, USA
Theme: That They All May Be One

Thirteenth
1990 — Vancouver, BC, Canada
Theme: The Church of Christ: Faithful, Militant, Triumphant

Fourteenth
1993 — Elkins Park, PA, USA
Theme: The Spirit and the Bride Say, Come

Fifteenth
1997 — Santiago, Chile
Theme: Finally My Brethren, Rejoice in the Lord

Sixteenth
2000 — Jerusalem, Israel
Theme: 21st Century Reformation: Even So, Come, Lord Jesus

Seventeenth
2005 — Seoul, South Korea
Theme: Stand Fast and Strive Together

Eighteenth
     Part I: 2010 — Manila and Bacolod City, the Philippines
     Part II: 2012 — Serra Negra, Brazil
Theme: Be Thou Faithful Unto Death

Nineteenth
2017 — Coatzacoalcos, Mexico
Theme: I Am Set for the Defense of the Gospel

Twentieth
2020 — Puerto Montt, Chile
Theme: God Is Love