{'fraction_non_alphanumeric': 0.008403361344537815, 'fraction_numerical': 0.0016806722689075631, 'mean_word_length': 6.45, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Efforts to Improve International Migration Statistics: A Historical Perspective 1

During the past decade the international statistical community has made several efforts to develop standards for the definition, collection and publication of statistics on international migration. This article surveys the history of official initiatives to standardize international migration statistics by reviewing the recommendations of the ISI, International Labor Organization and the United Nations and reports a recently proposed agenda for moving toward comparability among national statistical systems.