オリンピックの競泳競技
参加国

| 国 / 年 | 1896 | 1900 | 04 | 08 | 12 | 20 | 24 | 28 | 32 | 36 | 48 | 52 | 56 | 60 | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | 96 | 2000 | 04 | 08 | 12 | 16 | 20 | 参加回数 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|  アフガニスタン (AFG) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | 1 |
|  オランダ領アンティル (AHO) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • |  | • | • |  | • |  |  |  | 5 |
|  アルバニア (ALB) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • |  |  | • | • | • | • | • | 6 |
|  アルジェリア (ALG) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • |  |  | • | • | • | • | • | • | • | • | 9 |
|  アンドラ (AND) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | • | • | • |  | 8 |
|  アンゴラ (ANG) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • |  | • | • | • | • | • | • | • | • | • | 10 |
|  アンティグア・バーブーダ (ANT) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | 5 |
|  オーストララシア (ANZ) |  |  |  | • | • |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |
|  アルゼンチン (ARG) |  |  |  |  |  |  | • | • | • | • | • | • |  | • | • | • | • | • |  | • | • | • | • | • | • | • | • | • | • | 21 |
|  アルメニア (ARM) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | • | • | 7 |
|  アルバ (ARU) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | 5 |
|  アメリカ領サモア (ASA) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • |  | • | 3 |
|  オーストラリア (AUS) |  | • |  |  |  | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | 25 |
|  オーストリア (AUT) | • | • | • | • | • |  |  | • |  | • | • | • |  | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | 25 |
|  アゼルバイジャン (AZE) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | • | • | 7 |
|  バハマ (BAH) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • |  | • | • | • | • | • | • | • | • | • | • | 11 |
|  バングラデシュ (BAN) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | • | • | • | • | 9 |
|  バルバドス (BAR) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • |  |  |  | • | • |  | • | • | • | • | • | • | • | 10 |
|  ブルンジ (BDI) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | 5 |
|  ベルギー (BEL) |  | • |  | • | • | • | • | • |  |  | • | • | • | • | • | • | • | • | • | • | • | • | • | • |  | • | • | • | • | 24 |
|  ベナン (BEN) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | 5 |
|  バミューダ (BER) |  |  |  |  |  |  |  |  |  | • | • |  | • |  |  |  |  |  |  | • | • | • |  | • | • | • | • | • |  | 11 |
|  ボスニア・ヘルツェゴビナ (BIH) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | • | • | • | 8 |
|  ベラルーシ (BLR) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | • | • | 7 |
|  ボリビア (BOL) |  |  |  |  |  |  |  |  |  | • |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | • | • | • | • | 10 |
|  ボツワナ (BOT) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • |  | • | • | 3 |
|  ブラジル (BRA) |  |  |  |  |  | • |  |  | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | 22 |
|  バーレーン (BRN) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • |  |  |  | • | • | • | • | • | • | 7 |
|  ブルネイ (BRU) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • |  | • | 2 |
|  ブルガリア (BUL) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • |  | • | • | • | • | • | • | • | • | • | 13 |
|  ブルキナファソ (BUR) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | 5 |
|  中央アフリカ (CAF) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | 3 |
|  カンボジア (CAM) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • |  |  |  |  |  | • | • | • | • | • | • | • | 8 |
|  カナダ (CAN) |  |  |  | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • |  | • | • | • | • | • | • | • | • | • | • | 25 |
|  ケイマン諸島 (CAY) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | 5 |
|  コンゴ共和国 (CGO) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | • | • | • | 8 |
|  チリ (CHI) |  |  |  |  |  |  |  | • |  | • |  | • |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | • | • | 10 |
|  中国 (CHN) |  |  |  |  |  |  |  |  |  |  |  | • |  |  |  |  |  |  |  | • | • | • | • | • | • | • | • | • | • | 11 |
|  コートジボワール (CIV) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | 5 |
|  カメルーン (CMR) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • |  | • | 4 |
|  コンゴ民主共和国 (COD) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • |  |  |  | 1 |
|  クック諸島 (COK) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | 4 |
|  コロンビア (COL) |  |  |  |  |  |  |  |  |  |  | • |  | • |  | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | 17 |
|  コモロ (COM) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • |  | 3 |
|  カーボベルデ (CPV) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | 1 |
|  コスタリカ (CRC) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • |  | • | • | • | • | • | • | • | • | • | • | • | • | 13 |
|  クロアチア (CRO) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | • | • | 7 |
|  キューバ (CUB) |  |  |  |  |  |  |  |  |  |  | • | • | • | • |  | • |  |  |  |  |  | • | • | • | • | • | • | • | • | 13 |
|  キプロス (CYP) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • |  |  | • | • | • | • | • | • | • | • | 9 |
|  チェコ (CZE) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | • | • | 7 |
|  デンマーク (DEN) |  | • |  | • | • |  | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | 26 |
|  ジブチ (DJI) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | 3 |
|  ドミニカ国 (DMA) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • |  |  |  |  |  | 2 |
|  ドミニカ共和国 (DOM) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • |  | • | • | • | • | 5 |
|  エクアドル (ECU) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • |  |  | • | • | • | • | • | • | • | • | 12 |
|  エジプト (EGY) |  |  |  |  |  |  |  |  |  | • | • | • |  |  |  |  | • |  |  | • | • | • | • | • | • | • | • | • | • | 14 |
|  難民 (EOR) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | 2 |
|  エリトリア (ERI) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | 1 |
|  エルサルバドル (ESA) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • |  |  | • |  | • | • | • | • | • | • | • | • | 11 |
|  スペイン (ESP) |  |  |  |  |  | • | • | • |  |  | • | • |  | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | 21 |
|  エストニア (EST) |  |  |  |  |  |  |  |  |  | • |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | • | • | • | 9 |
|  エチオピア (ETH) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | 3 |
|  東西統一ドイツ (EUA) |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |
|  EUN (EUN) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • |  |  |  |  |  |  |  | 1 |
|  フィジー (FIJ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | • | • | • | • | • | 10 |
|  フィンランド (FIN) |  |  |  | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | 26 |
|  フランス (FRA) |  | • |  | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | 27 |
|  西ドイツ (FRG) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • |  | • | • |  |  |  |  |  |  |  |  | 5 |
|  ミクロネシア連邦 (FSM) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | • | 6 |
|  ガボン (GAB) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | 2 |
|  ガンビア (GAM) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | 2 |
|  イギリス (GBR) |  | • |  | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | • | 27 |
|  東ドイツ (GDR) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • |  | • |  |  |  |  |  |  |  |  | 5 |
|  ジョージア (GEO) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | • | 6 |
|  赤道ギニア (GEQ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • |  |  |  |  | • | 2 |
|  ドイツ (GER) |  | • | • | • | • |  |  | • | • | • |  | • |  |  |  |  |  |  |  |  |  | • | • | • | • | • | • | • | • | 16 |
|  ガーナ (GHA) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | 2 |
|  ギリシャ (GRE) | • |  |  |  | • |  | • |  |  | • | • |  |  | • |  |  | • | • | • | • | • | • | • | • | • | • | • | • | • | 19 |
|  グレナダ (GRN) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • |  | • | • | • | 5 |
|  グアテマラ (GUA) |  |  |  |  |  |  |  |  |  |  |  | • |  |  |  | • | • |  |  | • | • |  | • | • | • | • | • | • | • | 12 |
|  ギニア (GUI) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | • | 6 |
|  グアム (GUM) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | • | • | • | • | 9 |
|  ガイアナ (GUY) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | 5 |
|  ハイチ (HAI) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • |  |  |  |  | • | • | 3 |
|  香港 (HKG) |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | • | • |  | • | • | • | • | • | • | • | • | • | • | 17 |
|  ホンジュラス (HON) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | • | • | • | • | • | 10 |
|  ハンガリー (HUN) | • | • | • | • | • |  | • | • | • | • | • | • | • | • | • | • | • | • | • |  | • | • | • | • | • | • | • | • | • | 27 |
|  インドネシア (INA) |  |  |  |  |  |  |  |  |  |  |  | • | • | • |  |  |  | • |  | • | • |  | • | • | • | • | • | • | • | 13 |
|  インド (IND) |  |  |  |  |  |  |  |  | • |  | • | • | • |  |  |  |  |  |  |  | • |  | • | • | • | • | • | • | • | 12 |
|  独立参加 (IOA) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • |  |  |  |  |  | • |  | 2 |
|  イラン (IRI) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • |  |  |  |  |  |  |  | • | • | • | • | • | • | • | 8 |
|  アイルランド (IRL) |  |  |  |  |  |  |  | • |  |  |  |  |  |  |  | • | • | • | • | • | • | • | • | • | • | • | • | • | • | 15 |
|  イラク (IRQ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • | • |  | • | • |  | 4 |
|  アイスランド (ISL) |  |  |  |  |  |  |  |  |  |  | • |  |  | • | • | • | • | • |  | • | • | • | • | • | • | • | • | • | • | 16 |
|  イスラエル (ISR) |  |  |  |  |  |  |  |  |  |  |  | • | • | • | • | • | • | • |  | • | • | • | • | • | • | • | • | • | • | 17 |
|  アメリカ領ヴァージン諸島 (ISV) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | • |  | • | • | • | • | • | • | • | • | • | • | 11 |