|
| style="text-align:center" | {{DEUb}}
| [[Berlín]]
| style="text-align:right" | <span style="display:none">1957</span>Fundador<ref group="lower-alpha">On {{dts|format=dmy|1990|10|3}}, the constituent states of the former [[East Germany|German Democratic Republic]] [[German reunification|acceded]] to the [[West Germany|Federal Republic of Germany]], automatically becoming part of the EU.</ref>
| style="text-align:right" | {{Nts|81089331}}<ref name="council procedure"/>
| style="text-align:right" | {{Nts|357021}}
| style="text-align:right" | 12
| style="text-align:right" | 21
| [[Lingua checa|Checo]]
| [[Lingua checa|Checo]] <ref group="lower-alpha">Officially recognized [[minority language]]s: {{hlist|[[Slovak language|Slovak]]|[[German language|German]]|[[Polish language|Polish]]|[[Belarusian language|Belarusian]]|[[Bulgarian language|Bulgarian]]|[[Croatian language|Croatian]]|[[Greek language|Greek]]|[[Hungarian language|Hungarian]]|[[Romani language|Romani]]|[[Russian language|Russian]]|[[Rusyn language|Rusyn]]|[[Serbian language|Serbian]]|[[Ukrainian language|Ukrainian]]|[[Vietnamese language|Vietnamese]]}}</ref>
| style="text-align:center" | –
|-
| style="text-align:right" | 4
| style="text-align:right" | 6
| [[Lingua grega|Grego]]<br />[[Lingua turca|Turco]]<ref group="lower-alpha">The Turkish language is not an official language of the European Union.</ref>
| <div class="NavFrame" style="border-style:none; padding:0;">
<div class="NavHead" style="background:none; font-weight:normal">2 excluded</div><div class="NavContent" style="display:none; line-height: 0.8em; text-align:left">
<div style="background:#fdd;">excludes:
* {{TRNC}}
* {{TRNC}}<ref group="lower-alpha">Northern Cyprus is not recognised by the EU, so it is ''de jure'' part of the [[Cyprus|Republic of Cyprus]] and the EU, but ''de facto'' is outside the control of both entities and operates as an independent state recognised only by [[Turkey]]. See [[Cyprus dispute]].</ref>
* [[United Nations Buffer Zone in Cyprus|UN buffer zone]]
* [[United Nations Buffer Zone in Cyprus|UN buffer zone]]<ref group="lower-alpha">''De jure'' part of the [[Cyprus|Republic of Cyprus]] and the EU, but ''de facto'' is outside of the control of both due to the ongoing [[Cyprus dispute]]. It is administered by the [[United Nations]].</ref>
|-
| style="text-align:right" | [[Croacia]]
<div style="background:#fdd;">excludes:
* {{FRO}}
* {{GRL}}
* {{GRL}}<ref group="lower-alpha">[[Greenland]] [[Greenland–European Union relations|left the then-EEC]] in 1985.</ref></div></div></div>
|-
| style="text-align:right" | [[Eslovaquia]]
| style="text-align:right" | 27
| style="text-align:right" | 54
| [[Lingua castelá|Castelán]]
| [[Lingua castelá|Castelán]]<ref group="lower-alpha">Co-official languages in their respective territories are [[Basque language|Basque]], [[Catalan language|Catalan/Valencian]] and [[Galician language|Galician]]. Unlike other regional languages, an agreement between Spain and the Council of the European Union means these are allowed to be used in EU institutions. However, none of these languages are official languages of the European Union.</ref>
| <div class="NavFrame" style="border-style:none; padding:0;">
<div class="NavHead" style="background:none; font-weight:normal">4</div><div class="NavContent" style="display:none; line-height: 0.8em; text-align:left">
* {{MYT}}
* {{REU}}
* {{SMT}}<ref group="lower-alpha" name="sbsm"/></div>
----
<div style="background:#fdd;">excludes:
* {{flagicon|FRA}} [[Clipperton Island]]
* {{PYF}}
* {{BLM}}
* {{BLM}}<ref group="lower-alpha" name="sbsm">See Article 355(1) of the ''Treaty on the Functioning of the European Union''.[http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:C:2008:115:0001:01:EN:HTML]</ref>
* {{SPM}}
* {{flag|ATF|name=TAAF}}
| style="text-align:right" | 4
| style="text-align:right" | 6
| [[Lingua francesa|Francés]]<br />[[Lingua alemá|Alemán]]<br />[[Lingua luxemburguesa|Luxemburgués]]<ref group="lower-alpha">The Luxembourgish language is not an official language of the European Union.</ref>
| style="text-align:center" | –
|-
| style="text-align:center" | –
|-
| style="text-align:right" | [[Reino Unido]]
| style="text-align:right" | [[Reino Unido]]{{efn|group="lower-alpha"|The result of a British referendum on 23 June 2016 was a majority in favour of the United Kingdom leaving the European Union. Legally, the referendum was advisory rather than binding, and no formal process for leaving has been initiated.<ref>{{Cite news|url=http://blogs.ft.com/david-allen-green/2016/06/14/can-the-united-kingdom-government-legally-disregard-a-vote-for-brexit/|accessdate=25 June 2016|date=14 June 2016|work=ft.com| first=David Allen|last=Green|title=Can the United Kingdom government legally disregard a vote for Brexit? |quote=The relevant legislation did not provide for the referendum result to have any formal trigger effect. The referendum is advisory rather than mandatory. ... invoking Article 50 is a legally distinct step from the referendum result — it is not an obligation.}}</ref>}}
| style="text-align:center" | [[Ficheiro:Royal Coat of Arms of the United Kingdom.svg|20px]]
| style="text-align:center" | {{GBRb}}
| 