diff --git a/src/dev/peerat/backend/model/Group.java b/src/dev/peerat/backend/model/Group.java
index 6d8b8d7..429ce55 100644
--- a/src/dev/peerat/backend/model/Group.java
+++ b/src/dev/peerat/backend/model/Group.java
@@ -15,6 +15,7 @@ public class Group implements Comparable<Group> {
 	private Integer linkToChapter;
 //	private Integer linkToPuzzle;
 	private List<Player> players;
+	private int playerCount;
 	
 	@Override
 	public String toString(){
@@ -29,10 +30,15 @@ public class Group implements Comparable<Group> {
 //			this.linkToPuzzle = ((Number) json.get("puzzle")).intValue();
 	}
 
-	public Group(String name, Integer initChap, Integer initPuzz) {
+	public Group(String name, Integer initChap, Integer initPuzz, int playerCount) {
 		this.name = name;
 		this.linkToChapter = initChap;
 //		this.linkToPuzzle = initPuzz;
+		this.playerCount = playerCount;
+	}
+	
+	public int getPlayerCount(){
+		return this.playerCount;
 	}
 	
 	@SeaBottle
@@ -113,6 +119,7 @@ public class Group implements Comparable<Group> {
 			}
 			groupJSON.put("players", groupsPlayerJSON);
 		}
+		groupJSON.put("playerCount", this.playerCount);
 		return groupJSON;
 	}
 
diff --git a/src/dev/peerat/backend/repository/DatabaseQuery.java b/src/dev/peerat/backend/repository/DatabaseQuery.java
index df9cc6e..8946009 100644
--- a/src/dev/peerat/backend/repository/DatabaseQuery.java
+++ b/src/dev/peerat/backend/repository/DatabaseQuery.java
@@ -21,7 +21,7 @@ public enum DatabaseQuery {
 
 	// GROUPS
 	ALL_GROUPS("SELECT * FROM groups"),
-	ALL_GROUPS_BY_CHAPTER("SELECT * FROM groups WHERE fk_chapter = ?"),
+	ALL_GROUPS_BY_CHAPTER("select g.*, count(cg.fk_player) as countPlayer from groups g left join containsGroups cg on cg.fk_group = g.id_group where g.fk_chapter = ? group by g.id_group"),
 	GET_GROUP_FOR_PLAYER("SELECT g.* FROM groups g JOIN containsGroups cg ON cg.fk_group = g.id_group WHERE cg.fk_player = ? AND g.fk_chapter = ?"), // AND g.fk_puzzle = ?
 	GET_GROUP_ID_BY_DATA("SELECT id_group FROM groups WHERE name = ? AND (fk_chapter = ?)"), // OR fk_puzzle = ?
 	GET_GROUP_USERS_COUNT("SELECT count(*) as howmany FROM containsGroups WHERE fk_group = ?"),
diff --git a/src/dev/peerat/backend/repository/DatabaseRepository.java b/src/dev/peerat/backend/repository/DatabaseRepository.java
index a49fba5..c0a3c08 100644
--- a/src/dev/peerat/backend/repository/DatabaseRepository.java
+++ b/src/dev/peerat/backend/repository/DatabaseRepository.java
@@ -98,7 +98,7 @@ public class DatabaseRepository {
 	}
 
 	private Group makeGroup(ResultSet result) throws SQLException {
-		return new Group(result.getString("name"), result.getInt("fk_chapter"), result.getInt("fk_puzzle"));
+		return new Group(result.getString("name"), result.getInt("fk_chapter"), result.getInt("fk_puzzle"), ((hasColumn(result, "countPlayer")) ? result.getInt("countPlayer") : 0));
 	}
 
 	private Player makeGroupPlayer(ResultSet result) throws SQLException {