Henley& Partners是全(quan)球知名(ming)顧問機(ji)構(gou)，每年(nian)由其主(zhu)導的(de)(de)亨氏護照指數(shu)（Henley Passport Index）誕生(sheng)于2006年(nian)，指數(shu)所提供的(de)(de)免簽國數(shu)量(liang)和(he)名(ming)單(dan)基于從國際航(hang)空運輸協會（IATA）采得的(de)(de)獨家數(shu)據(ju)，針對(dui)(dui)全(quan)球不同國家的(de)(de)公(gong)民旅游自由度，所做出(chu)的(de)(de)排行(xing)榜。亨氏護照指數(shu)根(gen)據(ju)持有人無需事先簽證即可(ke)(ke)進入目(mu)的(de)(de)地數(shu)量(liang)，對(dui)(dui)199份護照可(ke)(ke)以免簽進入227個目(mu)的(de)(de)地中的(de)(de)數(shu)量(liang)進行(xing)排名(ming)。

根據(ju)2023年第(di)(di)三(san)季度亨氏指數，日本在連續五年位(wei)(wei)居榜(bang)首后，已被新加坡取(qu)代，不再擁有世界上最強的護照(zhao)。現時(shi)，使用新加坡的護照(zhao)可(ke)以免(mian)簽(qian)(qian)(qian)證便能夠前(qian)往全(quan)球227個(ge)地(di)(di)(di)(di)(di)方中(zhong)的192個(ge)。德國(guo)(guo)(guo)、意大利和(he)西班牙躋身第(di)(di)二位(wei)(wei)，可(ke)免(mian)簽(qian)(qian)(qian)前(qian)往190個(ge)地(di)(di)(di)(di)(di)方。而(er)日本護照(zhao)則與奧地(di)(di)(di)(di)(di)利、芬蘭、法國(guo)(guo)(guo)、盧森堡、南韓和(he)瑞典等其(qi)他六個(ge)國(guo)(guo)(guo)家(jia)的護照(zhao)一起(qi)位(wei)(wei)居第(di)(di)三(san)，可(ke)以免(mian)簽(qian)(qian)(qian)進入(ru)189個(ge)目的地(di)(di)(di)(di)(di)。英(ying)國(guo)(guo)(guo)排(pai)(pai)名(ming)躍升(sheng)了(le)兩(liang)個(ge)名(ming)次(ci)，升(sheng)至第(di)(di)4位(wei)(wei)，可(ke)以免(mian)簽(qian)(qian)(qian)進入(ru)188個(ge)目的地(di)(di)(di)(di)(di)。與此同時(shi)，美國(guo)(guo)(guo)的排(pai)(pai)名(ming)又下降(jiang)了(le)兩(liang)位(wei)(wei)，降(jiang)至第(di)(di)8位(wei)(wei)，可(ke)以免(mian)簽(qian)(qian)(qian)進入(ru)184個(ge)目的地(di)(di)(di)(di)(di)。中(zhong)國(guo)(guo)(guo)排(pai)(pai)在榜(bang)單第(di)(di)64位(wei)(wei)，可(ke)免(mian)簽(qian)(qian)(qian)前(qian)往全(quan)球80個(ge)國(guo)(guo)(guo)家(jia)和(he)地(di)(di)(di)(di)(di)區(qu)。中(zhong)國(guo)(guo)(guo)香港護照(zhao)憑(ping)借170個(ge)國(guo)(guo)(guo)家(jia)或(huo)(huo)地(di)(di)(di)(di)(di)區(qu)的免(mian)簽(qian)(qian)(qian)待遇，排(pai)(pai)名(ming)第(di)(di)17，中(zhong)國(guo)(guo)(guo)臺灣、澳門均免(mian)簽(qian)(qian)(qian)144個(ge)國(guo)(guo)(guo)家(jia)或(huo)(huo)地(di)(di)(di)(di)(di)區(qu)，排(pai)(pai)名(ming)第(di)(di)31。