As of 2022-03-07, the Wikidata property PM20 folder ID (P4293) is used on 28,684 items as main value on statements (not counting qualifiers) of the Q and P namespaces.

Closest properties: by cardinality of intersection, by Jaccard index.

Display properties of the following types:                                    

Closest properties by cardinality of intersection

IDLabelIntersection cardinalityJaccard index
P227 GND ID 13,204
 0.0101
P214 VIAF ID 12,035
 0.0044
P7859 WorldCat Identities ID 11,474
 0.0062
P213 ISNI 9,587
 0.0068
P244 Library of Congress authority ID 9,180
 0.0067
P646 Freebase ID 9,151
 0.0021
P7902 Deutsche Biographie (GND) ID 7,340
 0.0114
P269 IdRef ID 6,894
 0.0121
P2163 FAST ID 6,624
 0.0145
P1006 Nationale Thesaurus voor Auteurs ID 6,536
 0.0122
P1207 NUKAT ID 6,201
 0.0113
P268 Bibliothèque nationale de France ID 6,187
 0.0103
P1284 Munzinger person ID 5,894
 0.1085
P691 NKCR AUT ID 5,097
 0.0108
P7293 PLWABN ID 4,537
 0.0126
P8189 National Library of Israel J9U ID 4,332
 0.0221
P2671 Google Knowledge Graph ID 4,255
 0.0006
P1417 Encyclopædia Britannica Online ID 4,133
 0.0211
P648 Open Library ID 4,020
 0.0136
P5019 Brockhaus Enzyklopädie online ID 3,834
 0.0632
P3430 SNAC ARK ID 3,817
 0.0237
P3987 SHARE Catalogue author ID 3,217
 0.0164
P3222 NE.se ID 3,178
 0.0460
P9918 Kallías ID 3,140
 0.0258
P4342 Store norske leksikon ID 3,002
 0.0295
P1315 NLA Trove people ID 2,981
 0.0231
P1695 NLP ID (unique) 2,913
 0.0342
P8313 Den Store Danske ID 2,845
 0.0508
P3368 Prabook ID 2,772
 0.0110
P535 Find a Grave memorial ID 2,763
 0.0195
P1015 NORAF ID 2,685
 0.0142
P949 National Library of Israel ID 2,683
 0.0259
P1296 Gran Enciclopèdia Catalana ID 2,567
 0.0183
P7305 Online PWN Encyclopedia ID 2,536
 0.0422
P2949 WikiTree person ID 2,502
 0.0092
P349 National Diet Library ID 2,464
 0.0148
P950 Biblioteca Nacional de España ID 2,461
 0.0110
P7982 Hrvatska enciklopedija ID 2,401
 0.0479
P2600 Geni.com profile ID 2,392
 0.0087
P2924 Great Russian Encyclopedia Online ID 2,342
 0.0307
P1280 CONOR.SI ID 2,286
 0.0175
P906 SELIBR ID 2,223
 0.0217
P3219 Encyclopædia Universalis ID 2,220
 0.0373
P409 Libraries Australia ID 2,215
 0.0241
P5587 Libris-URI 2,198
 0.0145
P1263 NNDB people ID 2,157
 0.0343
P1741 GTAA ID 2,115
 0.0320
P271 CiNii author ID (books) 1,935
 0.0172
P8034 Vatican Library VcBA ID 1,872
 0.0139
P1580 University of Barcelona authority ID (obsolete) 1,792
 0.0208

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P1284 Munzinger person ID 5,894
 0.1085
P5019 Brockhaus Enzyklopädie online ID 3,834
 0.0632
P8313 Den Store Danske ID 2,845
 0.0508
P7982 Hrvatska enciklopedija ID 2,401
 0.0479
P3222 NE.se ID 3,178
 0.0460
P10242 Lur Encyclopedic Dictionary ID 1,723
 0.0423
P7305 Online PWN Encyclopedia ID 2,536
 0.0422
P8349 Proleksis enciklopedija ID 1,587
 0.0407
P7666 Visuotinė lietuvių enciklopedija ID 1,760
 0.0393
P3219 Encyclopædia Universalis ID 2,220
 0.0373
P1263 NNDB people ID 2,157
 0.0343
P1695 NLP ID (unique) 2,913
 0.0342
P1741 GTAA ID 2,115
 0.0320
P2924 Great Russian Encyclopedia Online ID 2,342
 0.0307
P4342 Store norske leksikon ID 3,002
 0.0295
P6706 De Agostini ID 1,646
 0.0293
P6404 Treccani's Dizionario di Storia ID 1,049
 0.0288
P8902 Archives at Yale names ID 1,170
 0.0270
P3348 National Library of Greece ID 1,625
 0.0263
P949 National Library of Israel ID 2,683
 0.0259
P9918 Kallías ID 3,140
 0.0258
P7699 National Library of Lithuania ID 1,318
 0.0244
P1375 NSK ID 1,161
 0.0241
P409 Libraries Australia ID 2,215
 0.0241
P8851 CONOR.SR ID 1,283
 0.0239
P6394 ELNET ID 815
 0.0238
P3430 SNAC ARK ID 3,817
 0.0237
P8849 CONOR.BG ID 1,075
 0.0236
P3365 Treccani ID 1,211
 0.0232
P1315 NLA Trove people ID 2,981
 0.0231
P4619 National Library of Brazil ID 910
 0.0229
P6385 Krugosvet article 774
 0.0228
P8189 National Library of Israel J9U ID 4,332
 0.0221
P3360 Nobel Prize People Nomination ID 705
 0.0220
P906 SELIBR ID 2,223
 0.0217
P1417 Encyclopædia Britannica Online ID 4,133
 0.0211
P1580 University of Barcelona authority ID (obsolete) 1,792
 0.0208
P7029 National Library of Russia ID 698
 0.0207
P1273 CANTIC ID (old) 1,662
 0.0206
P9984 CANTIC ID 1,695
 0.0205
P1005 Portuguese National Library ID 1,628
 0.0205
P9037 BHCL UUID 1,575
 0.0205
P5063 Interlingual Index ID 750
 0.0202
P7369 National Library of Chile ID 708
 0.0198
P3630 Babelio author ID 1,397
 0.0196
P535 Find a Grave memorial ID 2,763
 0.0195
P1368 LNB ID 1,472
 0.0194
P4223 Treccani's Enciclopedia Italiana ID 740
 0.0191
P866 Perlentaucher ID 747
 0.0190
P3280 BAnQ author ID 800
 0.0189