International Passenger Survey, 2019

<p>Users should note that currently the data covers the first three quarters of 2019 with four subject areas, termed 'Airmiles', 'Alcohol', 'Qregtown' and 'Qcontact'. One file is produced each quarter per subject area, and the dataset updated quarterly. These files can be joined together using the variables YEAR, SERIAL, FLOW and QUARTER.<br> <br> The depositor recommends that only expert users who are very familiar with the coding and weighting structures use these data, as limited support is available. Some considerable understanding of the data is required before meaningful analyses can be made; care must be taken when performing time series operations as codes can vary from year to year and not all variables from one year's dataset are used in other years. <br></p><p><span style="font-weight: bold;">Latest edition information</span></p><p></p><p>For the third edition (July 2020), revised data files have been deposited. A weighting adjustment has been developed for data from 2009 onwards as a response to users' concerns over an imbalance between the IPS estimates for the number of visitors between departures and arrivals for different nationalities. Further information on the methodological change can be found in the document "IPS Methodological Improvements 2020", available as part of the documentation.</p> The <i>International Passenger Survey</i> (IPS) aims to collect data on both credits and debits for the travel account of the Balance of Payments, provide detailed visit information on overseas visitors to the United Kingdom (UK) for tourism policy, and collect data on international migration.<br>

用户须知：当前本数据集覆盖2019年前三季度，包含四个主题领域，分别命名为'Airmiles'、'Alcohol'、'Qregtown'和'Qcontact'。每个主题领域每季度生成一份数据文件，数据集按季度更新。可通过YEAR、SERIAL、FLOW及QUARTER这四个变量将各文件进行合并。

数据集存档方建议，仅对编码与加权结构十分熟悉的专业用户方可使用本数据集，因官方提供的技术支持较为有限。开展有意义的分析前，需对本数据集具备充分的认知；进行时间序列操作时需格外审慎，因编码每年可能有所不同，且某一年数据集的变量并非全部可在其他年份的数据集中使用。

**最新版本信息**

2020年7月发布的第三版数据集已存档更新后的数据文件。针对用户反馈的不同国籍旅客出境与入境人数的国际乘客调查（International Passenger Survey，IPS）估算失衡问题，开发了2009年起的数据加权调整方案以回应用户关切。有关此次方法论调整的更多详情，可查阅随附文档《"IPS Methodological Improvements 2020"》。

国际乘客调查（IPS）旨在收集国际收支旅游账户的借贷项数据，为英国（United Kingdom，UK）旅游政策提供赴英海外旅客的详细到访信息，并收集国际移民相关数据。