訪問員主要負責–
(1) 協助管理人口普查服務中心或工作站和處理有關2021年人口普查的查詢及其他相關職務；
(2) 在2021年人口普查期間協助訓練臨時外勤工作人員；
(3) 監督臨時外勤工作人員在電話訪問或面談訪問的工作，並處理人口普查服務中心或工作站的事件；以及
(4) 在外勤統計主任的督導下，透過電話及上門訪問選定的住戶及工商機構，搜集及核實統計資料，並協助受訪者填寫問卷。
（註：職位持有人須不定時工作及／或執行大量訪問職務，包括電話訪問及親身拜訪受訪者進行面談訪問。）

Survey Interviewers are mainly deployed to –
(1) assist in manning Census Service Centres or field centres and handle enquiries related to the 2021 Population Census and other related duties;
(2) assist in training temporary field workers during the 2021 Population Census;
(3) supervise the work performed by temporary field workers in telephone interviews or face-to-face interviews and handle incidents in Census Service Centres or field centres; and
(4) collect and verify statistical information and assist respondents in completing the survey forms by conducting telephone interviews and visiting sampled households and business establishments under the supervision of Census and Survey Officers.
(Note: The post-holder is required to work irregular hours and/or to undertake a substantial amount of interviewing duties, including telephone interviews and face-to-face interviews by visiting the respondents in person.)