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Overpass API function count

count counts the number of objects with a given type (nodes, ways etc.) and hence takes exactly one ergument which must be one of the unqouted strings nodes, ways, relations, deriveds, nwr, nw, wr or nr.

[out:csv(
   val,
   cnt_n,
   cnt_w,
   cnt_r,
   cnt_nw,
   cnt_wr,
   cnt_nr,
   cnt_nwr,
   cnt_d
)];

{{geocodeArea:Pfungen}};

nwr[highway](area);

for (t['highway']) {

   make x
      val      = _.val,
      cnt_n    = count(nodes    ),
      cnt_w    = count(ways     ),
      cnt_r    = count(relations),
      cnt_nw   = count(nw       ),
      cnt_wr   = count(wr       ),
      cnt_nr   = count(nr       ),
      cnt_nwr  = count(nwr      ),
      count_d  = count(deriveds );

   out;

}

Overpass API function count

See also